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PREP07 Test 1 An investment of d dollars at k percent simple annual interest yields $600 interest over a 2-year period. In terms of d, what dollar amount invested at the same rate will yield $2,400 interest over a 3-year period?
190124 Candies were given to n students (n > 5). Did at least two students get the same amount of candy? 1: The total number of sweets is greater than . 2: The total number of sweets is greater than $$\frac{n^{2}-n}{2}$$.
Magoosh At Learnington Academy, a high percentage of students are currently failing their classes, as overcrowding is making it difficult for them to receive the individualized attention from teachers that would allow them to pass. Enrollment is predicted to increase by 25 percent over the next three years. Learnington's administration has decided to hire only 10 percent more teachers for this time period, anticipating that this will be sufficient to ensure that the number of students failing because of lack of attention will not increase.Which of the following, if true, provides the strongest grounds for the administration's prediction?
The price of gasoline at a service station increased from $1.65 per gallon last week to $1.82 per gallon this week. Sally paid $26.40 for gasoline last week at the station. How much more Will Sally pay this week at the station for the same amount of gasoline ?
Raymond purchased a package of ground beef at a cost of $1.98 per pound. If, for the same amount of money, Raymond could have purchased a piece of steak that weighed 40 percent less than the package of ground beef, what was the cost per pound of the steak?
OG12 GMAT、gmat题库、gmat模考、gmat考满分Data for a certain biology experiment are given in the table above. If the amount of bacteria present increased by the same fraction during each of the two 3-hour periods shown, how many grams of bacteria were present at 4:00 P.M.?
200301 The ratio of zinc and copper in X is 5: 7, and the ratio of zinc and copper in Y is 8: 7. After mixing the same amount of X and Y, what is the ratio of zinc and copper in the new mixture？
OG19-数学分册 A total of 5 liters of gasoline is to be poured into two empty containers with capacities of 2 liters and 6 liters, respectively, such that both containers will be filled to the same percent of their respective capacities. What amount of gasoline, in liters, must be poured into the 6-liter container?
OG15 OG16 OG17 OG18 OG19 OG20 OG2022 Debater: The average amount of overtime per month worked by an employee in the manufacturing division of the Haglut Corporation is 14 hours. Most employees of the Haglut Corporation work in the manufacturing division. Furthermore, the average amount of overtime per month worked by any employee in the company generally does not fluctuate much from month to month. Therefore, each month, most employees of the Haglut Corporation almost certainly work at least some overtime.The debater's argument is most vulnerable to criticism on which of these grounds?
OG19 OG20 OG2022 The price of gasoline at a service station increased from $1.65 per gallon last week to $1.82 per gallon this week. Sally paid $26.40 for gasoline last week at the station. How much more Will Sally pay this week at the station for the same amount of gasoline ?
Three types of aircraft fly three different routes which lengths are related as 1:3:5. The ratio of the amount of fuel burnt over these routes in the same respective order is 5:3:1. What are the ratios of their respective fuel consumption in units of distance per one unit of fuel burnt?
PREP07 Test 1 At a certain restaurant, if each hamburger costs the same amount, what is the cost, excluding sales tax, of 1 hamburger?(1)The total cost, including a 6 percent sales tax, is $4.77 for 3 hamburgers.(2)The total cost, including a 6 percent sales tax, is less than $6.50 for 4 hamburgers.
On January 1st Thomas deposited $2,000 into an interest bearing checking account. If he made no withdrawals, what was the total amount Thomas had in the checking account on December 31st of the same year?(1) Thomas deposited an additional $4,000 throughout the year.(2) The checking account earned 7 percent simple annual interest.
Ready4

Community representative: Paper bags are substantially less expensive than plastic bags. And plastic is not biodegradable, which means that using plastic bags clutters up landfills and pollutes the environment. Customers can preserve the environment by making exclusive use of paper bags, and we can encourage them to do so by informing them that this is the case. Thus, we can save money on shopping bags by drawing attention to this advantage paper bags have over plastic.

Which of the following, if true, would most indicate a vulnerability of the community representative’s argument?
PREP07 Test 1 Each of 10 machines works at the same constant rate doing a certain job. The amount of time needed by the 10 machines, working together, to complete the job is 16 hours. How many hours would be needed if only 8 of the machines, working together,were used to complete the job?
OG18-数学分册 A total of 5 liters of gasoline is to be poured into two empty containers with capacities of 2 liters and 6 liters, respectively, such that both containers will be filled to the same percent of their respective capacities. What amount of gasoline, in liters, must be poured into the 6-liter container?
OG18-语文分册 OG19-语文分册 OG20-语文分册 The rate at which a road wears depends on various factors, including climate, amount of traffic, and the size and weight of the vehicles using it. The only land transportation to Rittland's seaport is via a divided highway, one side carrying traffic to the seaport and one carrying traffic away from it. The side leading to the seaport has worn faster, even though each side has carried virtually the same amount of traffic, consisting mainly of large trucks.Which of the following, if true, most helps to explain the difference in the rate of wear?
OG2022 One of the limiting factors in human physical performance is the amount of oxygen that is absorbed by the muscles from the bloodstream. Accordingly, entrepreneurs have begun selling at gymnasiums and health clubs bottles of drinking water, labeled "SuperOXY," that has extra oxygen dissolved in the water. Such water would be useless in improving physical performance, however, since the amount of oxygen in the blood of someone who is exercising is already more than the muscle cells can absorb. Which of the following, if true, would serve the same function in the argument as the statement in boldface?
OG12 OG15 OG16 OG17 OG18 Water is pumped into a partially filled tank at a constant rate through an inlet pipe. At the same time, water is pumped out of the tank at a constant rate through an outlet pipe. At what rate, in gallons per minute, is the amount of water in the tank increasing?(1)The amount of water initially in the tank is 200 gallons.(2)Water is pumped into the tank at a rate of 10 gallons per minute and out of the tank at a rate of 10 gallons every $${2}\frac1 2$$ minutes.
PREP07 Test 1 Pat bought 5 pounds of apples. How many pounds of pears could Pat have bought for the same amount of money?(1) One pound of pears costs $0.50 more than one pound of apples.(2) One pound of pears costs $$1\frac{1}{2}$$ times as much as one pound of apples.