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191020	One orange, two apples, and three bananas are $3.50 in total. How much is one banana? (1). 1 apple = 2 oranges + $0.25 (2). 5 oranges + 3 bananas = $3
PREP07 Test 1	If $10,000 is invested at x percent simple annual interest for n years, which of the following represents the total amount of interest, in dollars, that will be earned by this investment in the n years?
	If x is an integer, is x even?(1) ax is even, where a is an integer.(2)$${x}^{2}-{1}$$ is an odd integer.
PREP07 Test 1	3 teaspoons = 1 tablespoon4 tablespoons = $$\frac{1}{4}$$ cupAccording to the information above, how many teaspoons are equal to $$\frac{3}{8}$$ cup?
PREP07 Test 2	The operation @ represents either addition, subtraction, or multiplication of integers. What is the value of 1 @ 0 ? (1) 0 @ 2 = 2(2) 2 @ 0 = 2
300难题	If 1 < d < 2, is the tenths digit of the decimal representation of d equal to 9 ? 1.d + 0.01 < 2 2.d + 0.05 > 2
Ready4	If two points $(0,2)$ and $(2,6)$ lie on a straight line, what is the slope of the line?
Ready4	The line represented by the equation $y=mx+b$ crosses the $x$ -axis at $(1,0)$ and the $y$ -axis at $(0,3)$ . What is the value of $m$ ?
	If y is an integer and $${y}=\mid {x}\mid+{x}$$, is $$y = 0$$?(1)$${x}< {0}$$(2)$$y<1$$
	If △ represents either ordinary division or ordinary multiplication, which does it represent?1. 3△1 = 32. 0△3 = 0
OG17 OG18 OG19 OG20 OG2022	If u > 0 and v > 0, which is greater, $${u}^{v}$$ or $${v}^{u}$$?(1) u = 1(2)v > 2
190207	x,y are positive numbers. x$$y^{\frac{1}{2}}$$=? 1：$$x^{2}$$y=13 2：x$$y^{2}$$=14
OG16 OG17 OG18 OG19 OG20 OG2022	A certain truck uses $$\frac{1}{12}$$ + $${k}{v}^{2}$$ gallons of fuel per mile when its speed is v miles per hour, where k is a constant. At what speed should the truck travel so that it uses $$\frac{5}{12}$$ gallon of fuel per mile?(1) The value of k is $$\frac{1}{10800}$$(2) When the truck travels at 30 miles per hour, it uses $$\frac{1}{6}$$ gallon of fuel per mile.
PREP07 Test 1	At a certain pet shop,$$\frac{1}{3}$$ of the pets are dogs and $$\frac{1}{5}$$ of the pets are birds. How many of the pets are dogs?(1)There are 30 birds at the pet shop.(2)There are 20 more dogs than birds at the pet shop.
KMFDS	If positive integer $${n}\le{3}$$ and n is the number of times a coin is flipped, what is the value of n?(1) The probability of getting heads exactly once is $$\frac{1}{2}$$.(2) The probability of getting at least one tail is greater than $$\frac{1}{2}$$.
PREP07 Test 1	In the figure above, segments PQ and PR are each parallel to one of the rectangular coordinate axes. What is the sum of the coordinates of point P ?(1) The x-coordinate of point Q is -1.(2) The y-coordinate of point R is 1.
Magoosh	If the ratio of w to x to y is 1 : 2 : 3, what is the value of w + x?(1) x - w = 5(2) 3y - 2w = 35
Magoosh	If F is the prime factorization of N!, how many factors in F have an exponent of 1?Statement #1: 32 ≤ N ≤ 40 Statement #2: 27 ≤ N ≤ 35
PREP07 Test 1	If x, y, and z are integers greater than 1, what is the value of x + y + z ?(1) xyz = 70(2) $$\frac{x}{yz} = \frac{7}{10}$$
Ready4	A major company's satisfaction rate, defined as the percentage of its employees who identified themselves as "extremely satisfied" or "generally satisfied" with their jobs in a survey, dropped from 76 percent on January 1, 2005, to 68 percent on January 1, 2008. If the number of employees was 25 percent less on January 1, 2008, than on January 1, 2005, what was the approximate percent change in the number of satisfied employees at the company over this period?