Ratio Comparison

The ratio of the number of cars to bikes in a parking lot is 4:3. If there are 28 cars, how many bikes are there?

• 21

• 24

• 18

• 14

The ratio of the number of students to computers in a lab is 5:2. If there are 40 students, how many computers are there?

• 10

• 16

• 8

• 12

The ratio of the number of red balls to blue balls is 3:5. If there are 15 red balls, how many blue balls are there?

• 25

• 20

• 30

• 15

A comparison of two quantities using the word to, for every/each, or a colon :.

• Ratio

• Rate

• quantity

• scale factor

Scale factor

• a number that multiplies the ratio quantities

• a weight

• sum

• decimal

A comparison of boys to girls in the class is a ratio of ______.

• part to part

• percent

• proportion

• product

A comparsion of boys to total students in the class is a ratio that compares _____.

• part to whole.

• ratio

• sum

• difference

When two ratios are equivalent

• proportion

• per/each

• product

• quotient

A comparison of two quantities using the word "to", a fraction, or a colon :.

• Ratio

• Rate

• quantity

• scale factor