Unit Rate and Proportions

If a car travels 280 miles in 7 hours, what is the unit rate in miles per hour?

• 30 miles per hour

• 35 miles per hour

• 40 miles per hour

• 45 miles per hour

If a shop produces 39 wetsuits every 2 weeks, how many wetsuits does it produce in 1 week?

• 17 wetsuits per week.

• 19.5 wetsuits per week.

• 21 wetsuits per week.

• 22.5 wetsuits per week.

If a store has 120 customers in 6 hours, how many customers does it have per hour?

• 15 customers per hour

• 20 customers per hour

• 25 customers per hour

• 30 customers per hour

How do you calculate the unit rate from a given quantity?

• Multiply the total quantity by the number of units.

• Add the total quantity to the number of units.

• Divide the total quantity by the number of units.

• Subtract the number of units from the total quantity.

If 5 apples cost $2, what is the cost of 1 apple?

• $0.20 per apple.

• $0.30 per apple.

• $0.40 per apple.

• $0.50 per apple.

What is the unit rate of 150 miles in 5 hours?

• 25 miles per hour

• 30 miles per hour

• 35 miles per hour

• 40 miles per hour

How do you solve a proportion?

• Add the two fractions together and simplify.

• Cross-multiply and solve for the unknown.

• Divide the numerator by the denominator.

• Subtract the two fractions and find the common denominator.

How long will it take to produce 429 wetsuits if the shop produces 39 every 2 weeks?

• 18 weeks

• 20 weeks

• 22 weeks

• 24 weeks

If a recipe requires 3 cups of flour for 4 servings, how much flour is needed for 1 serving?

• 0.5 cups of flour

• 0.75 cups of flour

• 1 cup of flour

• 1.5 cups of flour

What is the relationship between distance, rate, and time?

• Distance is directly proportional to both rate and time.

• Distance is inversely proportional to rate and time.

• Distance is equal to the sum of rate and time.

• Distance is independent of rate and time.