Proportional Relationships and Rates in Real-World Scenarios

A car travels 150 miles in 3 hours. What is the rate of change in miles per hour?

• 75 miles per hour

• 30 miles per hour

• 50 miles per hour

• 100 miles per hour

A recipe requires 2 cups of flour for every 3 cups of sugar. If you have 6 cups of sugar, how many cups of flour do you need?

• 4 cups of flour

• 6 cups of flour

• 2 cups of flour

• 3 cups of flour

A store sells 5 apples for $2.50. How much would 12 apples cost at the same rate?

• $4.50

• $5.50

• $6.00

• $8.00

A cyclist rides 24 miles in 1.5 hours. What is the cyclist's speed in miles per hour?

• 18 miles per hour

• 16 miles per hour

• 12 miles per hour

• 20 miles per hour

If a tank can hold 50 gallons of water and is currently filled to 30 gallons, what is the proportional relationship of the current amount to the total capacity?

• 50%

• 40%

• 60%

• 75%

A factory produces 200 toys in 4 hours. How many toys does it produce per hour?

• 50 toys per hour

• 60 toys per hour

• 40 toys per hour

• 30 toys per hour

If a car uses 1 gallon of gas to travel 25 miles, how many gallons are needed to travel 100 miles?

• 10 gallons

• 4 gallons

• 2 gallons

• 5 gallons

A painter can paint 3 rooms in 2 days. How many rooms can he paint in 10 days at the same rate?

• 12 rooms

• 18 rooms

• 10 rooms

• 15 rooms

A recipe calls for 4 tablespoons of sugar for every 2 cups of flour. If you use 8 cups of flour, how much sugar do you need?

• 20 tablespoons

• 16 tablespoons

• 12 tablespoons

• 8 tablespoons

A train travels 180 miles in 2.5 hours. What is the average speed of the train in miles per hour?

• 72 miles per hour

• 75 miles per hour

• 90 miles per hour

• 60 miles per hour