Ratios Unit Rates Proportions

If you have 3 pennies, 4 nickels, and 5 dimes which represents the following ratio: dimes to total number of coins?

• 4:5

• 1:4

• 1:3

• 5:12

88 students for 4 classes
How many students per class?

• 22 students per class

• 22 classes per student

• 25 students per class

• 25 classes per student

Waldo spent $75 on 5 chicken dinners for his family. What was the unit rate for each dinner?

• $15 per dinner

• $9 per dinner

• $12 per dinner

• $8 per dinner

The pet store has 18 dogs toys for sale. 10 toys are frisbees and the rest are bones. What is the ratio of bones to frisbees in simplest form?

• 5/9

• 8/10

• 4/5

• 18/10

What is a proportion?

• When two ratios can be simplified

• When two ratios are equivalent and show the same value

• When two ratios have the exact same numbers

• When two ratios can be multiplied by 2

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Simplify the ratio of
35 : 14

• 5 : 2

• 2 : 5

• 3 : 1

• 35: 14

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

Which statement best describes the definition of a ratio?

• A number

• A comparison of two quantities using division.

• A comparison

• A comparison of many things.

How many ways can you write a ratio

• 1

• 3

• 2

• 4