Percentages
What is 20% of 120?
24
What is 5/18 + 2/3?
17/18
simplify the expression:
3x + 12 - 2(x - x^2) + x^2 - 10
3x^2 + x + 2
Find the average of the following set of numbers:
{ 2.5, 3, 1, 4.5, 4, 6, 4.5, 6.5}
4
A palette of 2x4s costs $35 and there is an 8% sales tax. How much does the palette cost in total?
$37.8
What is the area of a triangle with a base of 7 inches and a height of 12 inches?
42 inches
Solve the expression if x = 2
−3(2x^2 + 5x +1)
-57
81.979
Ella gives Jen 25 hot cheetos from her family size 200ct bag. What percent of hot cheetos remain in the bag?
87.5%
Solve 11/3 x 12/2
22
You are building a fence around a rectangular garden. You know the garden is 30ft long, and that it's width is half as long as its length. How many feet of fencing will you need to surround the perimeter of the garden?
90 ft
-3 + 2(x+4) = 25
x = 10
What is the percent increase in cost of screws if they start at $12 per pound and go to $42 per pound?
250%
I have two lengths of cable. One piece measures 1 and 1/16 inches, and the other measures 3 ft, 2 and 3/8 inches. How far can the cable stretch if I string both pieces together, assuming I lose 1 inch in length from connecting the cable?
3ft, 2 and 7/16 inches
You want to fill a planter box with soil. The box is 6 ft long, 4 ft deep, and 3 ft tall. How much soil do you need?
96 cubic ft
Solve for x
(x-5)/4 = 2x +4
x = -3
What is the square root of 256?
16
Find the percent change in weight of a cargo hauler that begins its trip with 75 tons of cargo and ends with 30 tons.
60% decrease
David has a pipe that is 5 and a half feet long, and needs to cut it down to fit a section of plumbing that is 3 feet, 4 and 7/8 inches. How much of the pipe should he cut off?
2 feet, 1 and 1/8 inches
A cylindrical water tower has a circular top, with a diameter of 10ft. The water tower is 20 feet tall. How much water can the tower hold?
Use the formula: V = pi x r^2 x h
Give your answer in terms of pi
500pi
Daily Double! Wager points
If 6 times a number is decreased by 6, the result is the same as when 3 times the number is increased by 12. What is the number?
You are drawing a scaled blueprint for a house. Every 1.5 inches on the blueprint represents 6ft. How long is a wall that is 3.5 inches?
14 feet