Ratio and Rates

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $5 per pound

• $35 per pound

• 0.125 pounds per dollar

Which is NOT equivalent to 3:5?

• 15:25

• 9:15

• 21:28

• 30:50

Mr. Keys made $90 in 5 hours.  What is the unit rate?  

• $18 per hour

• $1 in 18 hours

• $90:5h

• 5 to 90

Ashley biked 32 miles in 2 hours. Mike biked 36 miles in 3 hours. How much farther can Ashley bike than Mike in 5 hours if they both continue at the same rate?

• 80

• 60

• 40

• 20

Janet drives from Clarkson to Humbolt in 2 hours. Suppose Janet drives for 10 hours. If she maintains the same driving rate, can she drive more than 600 miles? Justify your answer.

• Yes, she will drive 1,120 miles in 10 hours.

• No, she will drive 560 miles in 10 hours.

• No, she will drive less than 400 miles in 10 hours.

• Yes, she will drive over 600 miles in 10 hours.

Diana uses 30 grams of coffee beans to make 48 fluid ounces of coffee. When guests come, she makes 96 fluid ounces of coffee. How many grams of coffee beans does Diana use when she has visitors?

Mathematical Equivalence

ON

The car travels 440 miles in 8 hours. What is the unit rate?

• 12 miles in 1 hour

• 55 miles in 1 hour

• 110 miles in 1 hour

• 44 miles in 1 hour

It snowed 14 inches in 5 hours. What is the unit rate?

• 3 inches

• 1.5 inches

• 5 inches

• 2.8 inches

Which ratio is equivalent to 12:20

• 20:12

• 2:3

• 3:5

• 3:10