Proportion Setup

12 ounce shampoo bottle lasts Mike 16 weeks.  How long would you expect an 18-ounce bottle of the same brand to last him?

• 24 weeks

• 6 weeks

• 30 weeks

• 20 weeks

A proportion is a

• ratio statement

• an "if-then" statement

• a statement of 2 ratios that are equal to each other

• a comparison

Kevin is mixing paint to make orange. The ratio of red paint to yellow paint is 3 oz to 5 oz. How much yellow paint should he mix with 9 oz of red paint?

• 15 oz

• 30 oz

• 45 oz

• 11 oz

REVIEW QUESTION
Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

• both

• neither

A crockery shop only stocks plates, bowls and mugs in the ratio of 3:4:1

If there are 21 plates on sale, how many mugs will there be?

Write and solve a proportion for this scenario. If Shane can bake 120 dozen cookies in five days, how many days would it take to bake 800 dozen cookies?

• about 34 days

• about 30 days

• about 12 days

• about 7 days

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

• 14x

26 is 5% of what number?

• 3

• 5

• 25.95

• 520

What percent of 29 is 3?

• 10.3%

• 26.1%

• 11.5%

• 9.8%

Which of the following is the correct setup to find: A 12% bonus is $30.72 of what amount?

• $256

• $368.64

• $3.69

• $2133.33