Solve Proportions

There were 5 ice cream cones for every 3 brownies sold at the ice cream shop. If there were 24 brownies sold, how many ice cream cones were sold?

• 8

• 15

• 40

• 29

At Laredo Medical Center 4 out of every 9 doctors are women. If there are 126 doctors at the hospital, how many are women?

• 56

• 60

• 68

• 84

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

What is the correct way to write the cross multiplication for this proportion

• 15=25x

• 125=5x

• 75=5x

• 5=3x

REVIEW QUESTION
Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

• both

• neither

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

Which ratio is proportional to the ratio   1/5?

• 2/5

• 2/10

• 5/1

• 15/20

Q1. What is the result of 8 + 4?

• 1) 8

• 2) 9

• 3) 72

• 4) 12

Sarah is shipping multiple packages of the same size. If 3 packages cost $10.50 to ship, how much will 10 packages cost to ship?