Proportional Reasoning Challenges in Everyday Life

A recipe calls for 2 cups of flour for every 3 cups of sugar. If you have 8 cups of sugar, how many cups of flour do you need?

• 6 cups of flour

• 5.33 cups of flour

• 4 cups of flour

• 3 cups of flour

A car travels 150 miles on 5 gallons of gas. How many miles can it travel on 8 gallons of gas?

• 180 miles

• 240 miles

• 200 miles

• 300 miles

A map shows that 1 inch represents 20 miles. If two cities are 3.5 inches apart on the map, what is the actual distance between them?

• 100 miles

• 50 miles

• 70 miles

• 30 miles

A store sells 4 notebooks for $3. How much would 10 notebooks cost at the same rate?

• $7.50

• $12.50

• $10.00

• $5.00

A recipe requires 1.5 teaspoons of salt for every 4 servings. How much salt is needed for 10 servings?

• 2 teaspoons

• 3.75 teaspoons

• 4.5 teaspoons

• 5 teaspoons

If a painter can paint 3 rooms in 2 days, how many rooms can he paint in 5 days?

• 5

• 10

• 8

• 7

A car can travel 240 miles on 6 gallons of gas. What is the constant of proportionality in miles per gallon?

• 60 miles per gallon

• 40 miles per gallon

• 50 miles per gallon

• 30 miles per gallon

A gardener uses 2.5 liters of water for every 1.5 square meters of garden. How much water is needed for a garden that is 10 square meters?

• 20 liters

• 12.5 liters

• 10 liters

• 16.67 liters

If a runner completes 5 kilometers in 25 minutes, how long will it take to run 12 kilometers at the same pace?

• 60 minutes

• 90 minutes

• 75 minutes

• 45 minutes

A recipe for cookies requires 0.75 cups of sugar for every 2 cups of flour. If you want to use 6 cups of flour, how much sugar will you need?

• 2.25 cups of sugar

• 3 cups of sugar

• 0.5 cups of sugar

• 1.5 cups of sugar