Percent
If 50% of x is 150, what is 75% of x?
225
After spending 5/12 of her salary, Eva has $420 left. What is her salary?
$720
A certain box contains baseballs and golf balls. If the ratio of baseballs to golf balls is 2:3 and there are 30 baseballs in the box, How many golf balls are there?
45
-12
If the perimeter of a square is 32 meters, then what is the area of the square in square meters?
64
Four people share a taxi to the airport. The fare was $36, and they gave the driver a tip of 25% of the fare. If they equally shared the cost of the fare and tip, how much did each person pay?
$11.25
20 divided by 2 2/7
8 3/4
Jan types at an average rate of 12 pages per hour. At that rate, how long will it take Jan to type 100 pages?
8 hours 20 minutes.
(x-4)(x-4)
x2-8x+16
A box that has dimensions of 2 inches by 3 inches by 4 inches has a total surface area of what?
52 inches2
After eating 25% of the jelly beans, Brett had 72 left. How many jelly beans did Brett have originally?
96
A cat is fed 3/8 of a pound of cat food every day. For how many days will 72 pounds of this cat food feed the cat?
192
Marty has exactly 5 blue pens, 6 black pens, and 4 red pens in his backpack. If he pulls out one pen at random form his backpack, what is the propability that the pen is either red or black?
2/3
Square root of 100 minus the square root of 64 equals what?
2
The vertical angel of 75 degrees is what degree angle?
75
John bought a camera on sale that normally costs $160. If the price is reduced 20% during the sale, what did it cost John?
$128
Michael bought 2 1/4 pounds of lumber at $4.00 per pound. If a 7% sales tax was added, how much did Michael pay?
$9.63
The ratio of 3 1/4 to 5/1/4 is equivalent to the ratio of x:21
13
If 100/x=10n, then what is xn equal to?
10
15TT
From 1980-1990, the population of country X increased by 100%. From 1990-2000, the population increased by 50%. What was the combined increase for the period 1980-2000?
200%
A student finishes the first half of an exam in 2/3 the time that it takes him to finish the second half. If the entire time takes him an hour how many minutes does he spend on the first half of the exam?
24 minutes
A bag contains 8 white, 4 red, 7 green, and 5 blue marbles. Eight marbles are withdrawn at random. how many of the withdrawn marbles are white if the chance of now drawing a white marble is 1 in 4?
4
Lisa has 40 fewer than 3 times the number of books that Janice has. If B is equal to the number of books that Janice has, how would you write the expression to show the number of books Lisa and Janice have together?
4B-40
If side A of triangle 1 is 12 inches and side B is 14 inches, What would the measurement of side A be for triangle 2 if side B is 182 inches?
156 inches