Ratios, Rates and Percents
Julie has 2 pink hats, 3 blue hats, 4 purple hats, and 5 orange hats. What is the ratio of blue hats to the total number of hats?
3 : 14
8 divided by 2/3
12
n - 2.7 = 5.4
What does n equal?
8.1
Find the volume of a cube with a side length of 1 1/2 ft.
3 3/8 feet squared
Find the median of the data set:
3, 4, 7, 9, 13, 16
8
Four pounds of plums cost $7.96
What is the unit rate?
$1.99 per pound
3/5 divided by 2/15
4 1/2
Solve the equation d = 14t when d = 70.
t = 5
Find the surface area of a cube with a side length of 3 cm.
54 cm squared
Find the mean of the data set:
4, 6, 8, 12, 15
9
A cake recipe calls for 9 cups of flour for every 5 cups of milk. How many cups of flour should be used for every 1 cup of milk?
9/5 or 1 4/5 cups
8/9 divided by 1 1/3
2/3
What is the lowest whole number you can substitute for x to make a true statement?
3x + 2 > 17
6
Find the area of a parallelogram with a base of 3 inches and a height of 7/8 inch.
2 5/8 inches squared
What type of data display uses intervals to organize the data?
a histogram
270 students attended a school fair. 30% of the students particiapte in a flash mob. How many of the students participated in the flash mob?
81 students
A baby is 20 1/2 inches long at birth. The baby grows at a rate of 1 1/12 inches per month. At the end of how many months will the baby be 27 inches long?
6 months
Simplify the expression:
7 + 5(y + 4) - 2y
27 + 3y
Find the area of a triangle with a base of 8 cm and a height of 3/4 cm.
3 cm squared
Find the range of the data set:
1.3, 4.5, 6.4, 7.2, 9.1
7.8
A buffalo runs at a constant rate of 5 miles in 10 minutes. A horse runs at a constant rate of 20 miles in 35 minutes. Which one runs at a slower rate?
The buffalo
3 5/6 divided by 2/3
5 3/4
Simplify the expression:
4x + 5(x + 3) - 2
9x + 13
Find the volume of a rectangular prism that has a base with an area of 15 square inches and a height of 8 1/2 inches.
127 1/2 square inches
Describe how to find the interquartile range.
Subtract the first quartile from the third quartile.