Ratios & Rates
What is the ratio of 6 red marbles to 3 blue marbles in simplest form?
2:1
Simplify: 4 + 3x when x = 2
10
Solve: x + 5 = 12
x=7
Find the volume of a rectangular prism with length 4, width 3, height 2
24 cubic units
Find the mean of: 2, 4, 6, 8
5
A recipe uses 2 cups of sugar for 4 cups of flour. What is the ratio of sugar to flour?
1:2
Combine like terms: 3x + 4 + 2x
5x+4
Solve: 2x = 14
x=7
Volume of a cylinder with radius 2 and height 5 (use 3.14)?
62.8 cubic units
Find the median: 3, 7, 9, 10, 15
If 3 pencils cost $6, how much do 5 pencils cost?
$10
Distribute: 3(x + 4)
3x+12
Solve: x/4 = 5
x=20
Volume of rectangular prism: 6 × 5 × 3
90 cubic units
Find the range: 5, 8, 12, 20
15
simplify: 8:12
2:3
Evaluate: 5x – 2 when x = 3
13
Solve: x – 9 = 15
x=24
Volume of cylinder with r = 3, h = 4 (use 3.14)
113.04 cubic units
Find the mean: 10, 20, 30, 40, 50
30
A map scale is 1 inch = 10 miles. How many miles is 3.5 inches?
35 miles
Simplify: 2(3x + 4) + x
7x+8
Solve: 3x + 6 = 21
x=5
A rectangular prism has volume 120. If length = 10 and width = 3, find height
4
The data set is: 4, 6, 6, 8, 10 what is the median?
6