1. Greg made 4.5 quarts of chicken soup. How many cups of soup did Greg make? (10-6)
18 cups
2. Two cups of water weigh 1 pound. How many pounds does the water in a full 1-gallon (16-cup) jug weigh? (10-1)
8 pounds or 8 lbs
3. Sound travels 2,301 miles in 3 hours. How far can sound travel in 1 hour? Compute the unit rate. (10-3)
767 miles/ 1 hour
4. A bakery sells 25 rolls for every 35 loaves of bread. At this rate, how many rolls will be sold for every 7 loaves of bread? (10-8)
5 rolls
5. The water bottle shown is full. How many liters of water are in the bottle? (10-7)
0.5 liter
6. The gas mileage for a new car is advertised as 37 miles per gallon for highway driving. Which of the following proportions can be used to find m, the number of miles the car can go on a full 12-gallon tank? (10-3)
37 miles/ 1 gallon = m miles/ 1 gallon
7. At the grocery store, cans of soup are on sale at 5 for $3. Which explains correctly how much 15 cans of soup would cost? (10-8)
Use the proportion $3/5 =x/15. Find the common factor and multiply $3 × 3 to get $9.
8. Find each unit rate and determine which rate is greater: 36 miles walked in 20 hours or 42 miles walked in 28 hours. (10-2)
36 miles walked in 20 hours = 1.8 mph 42 miles walked in 28 hours= 1.5 mph 36 miles walked in 20 hours is greater
9. One Siberian tiger traveled 620 miles in 22 days in search of food. Write this amount as a unit rate to the nearest mile. (10-1)
28 miles/ 1 day
10. Rachel can buy 18 eggs for $1.49 or 12 eggs for $1.09. Which is the better buy? (10-4)
18 eggs for $1.49 is a better buy at about $0.08 per egg
11. Anna earned $32 babysitting for 5 hours. What is a unit rate for this situation? (10-1)
$6.40/ 1 hour
12. Anatoly is buying strawberries to make desserts for a catering event. Which is the better buy: 20 pounds of strawberries for $49.80 or 15 pounds of strawberries for $37.50? Find the unit prices to help you. (10-4)
20 pounds for $49.80
13. Aaron’s mother is a licensed pilot. She flies at a constant speed. If she flies 962 miles in 6.5 hours, what is her rate of speed? Use the equation d = rt to help you. (10-5)
Answer: 148 mph Equation: 962= r(6.5)
14. The longest snake was found in Indonesia, with a length of 33 feet. How can you find the length of this snake in inches? (10-6)
Multiply 33 by 12
15. Heather ran a 10-kilometer race. How many meters did she run? (10-7)
10,000 meters
16. James drives at a constant speed of 63 miles per hour on the highway. How long will it take to drive 210 miles? (10-5)
3 hours and 20 minutes or 3 1/3 hours
