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Ready4

The average global temperature is forecasted to be 0.5 degrees Celsius higher in 50 years, because this year's mean temperature is the same amount higher than that of 50 years ago.
OG15 OG16 OG17 OG18 On a certain day, orangeade was made by mixing a certain amount of orange juice with an equal amount of water. On the next day, orangeade was made by mixing the same amount of orange juice with twice the amount of water. On both days, all the orangeade that was made was sold. If the revenue from selling the orangeade was the same for both days and if the orangeade was sold at $0.60 per glass on the first day, what was the price per glass on the second day?
PREP07 Test 1 Each person attending a fund-raising party for a certain club was charged the same admission fee. How many people attended the party?(1) If the admission fee had been $0.75 less and 100 more people had attended, the club would have received the same amount in admission fees.(2) If the admission fee had been $1.50 more and 100 fewer people had attended, the club would have received the same amount in admission fees.
191020 Tom invests A and B with same amount of money x. The rate of return of A and B is 6% and 8%, respectively. What is the total amount of principal?
OG12 OG15 Today, because of improvements in agricultural technology, the same amount of acreage produces double the apples that it has in 1910.
Magoosh In 2004, Cindy had $4000 in a mutual fund account. In 2005, the amount in the same account was $5000. If the percent increase from 2004 to 2005 was the same as the percent increase from 2005 to 2006, how much did Cindy have in this account in 2006?
If each of the 8 employees working on a certain project received an award, was the amount of each award the same?(1)The standard deviation of the amounts of the 8 awards was 0.(2)The total amount of the 8 awards was $10,000.
191222 Each of the three machines works at the same constant rate. It takes k hours for two machines to produce goods. It takes 2 hours less for three machines than for two machines to produce same amount of goods. What is the value of k?
If Ann saves x dollars each week and Beth saves y dollars each week, what is the total amount that they save per week?(1)Beth saves $5 more per week than Ann saves per week.(2)It takes Ann 6 weeks to save the same amount that Beth saves in 5 weeks.
Ready4

Pat invested $4,000 at a percent simple annual interest and a different amount at p percent simple annual interest for the same period of time. What amount did Pat invest at p percent simple annual interest?

  1. The total amount of interest earned by Pat's investments in one year was $400.
  2. Pat invested the $4,000 at 4 percent simple annual interest.
GWD According to the passage, some economists believe that, in the United States, there would be smaller differences between the wages of women and men who do the same jobs if
To feed 10 bears for one week at the zoo requires 560 fish. If each bear eats the same amount of fish, how many fish are required to feed two fewer bears for two weeks?
PREP07 Test 1 Alice's take-home pay last year was the same each month, and she saved the same fraction of her take-home pay each month. The total amount of money that she had saved at the end of the year was 3 times the amount of that portion of her monthly take-home pay that she did not save. If all the money that she saved last year was from her take-home pay, what fraction of her take-home pay did she save each month?
John can chop a cord of wood in 4.5 hours. Phil can do the same job in 3 hours. Working together, they make $45 to chop a cord of wood. If each takes home an amount of pay in proportion of the amount of work he performed, how much does Phil make on one cord of wood?
GWD By the same techniques used for genetically enhancing plants, making them disease- or pest-resistant, researchers have been able to increase the amount of protein in potatoes, sweet potatoes, and tobacco.
PREP07 Test 1 A certain builder is selling five homes for the following prices: $157,000, $168,000,$195,000, $235,000, and $256,000. If the price of the most expensive home is increased $10,000, which of the following statements best describes the change in the mean and the median of the home prices?
190603 There is originally a mixture of 9 liters of x and water, with water accounting for 75%. How much water was poured and replaced with same amount of x, and the final volume of water accounted for 50%?
应用题 If $5,000 invested for one year at p percent simple annual interest yields $500, what amount must be invested at k percent simple annual interest for one year to yield the same number of dollars?(1) k = 0.8p(2) k = 8
PREP07 Test 1 Peter and Tom shared the driving on a certain trip. If Peter and Tom both drove for the same amount of time, but Peter only drove $$\frac{2}{5}$$ of the total distance, what was the ratio of Peter's average speed to Tom's average speed?
Yesterday Diana spent a total of 240 minutes attending a training class, responding to E-MAils, and talking on the phone. If she did no two of these three activities at the same time, how much time did she spend talking on the phone?(1)Yesterday the amount of time that Diana spent attending the training class was 90 percent of the amount of time that she spent responding to E-MAils.(2)Yesterday the amount of time that Diana spent attending the training class was 60 percent of the total amount of time that she spent responding to E-MAils and talking on the phone.