Ratios, Rates, Tables, and Graphs
Unit Rate
Measurement Systems
Percent of a Number
Percent Problems
100

Charlie runs laps around a track. It takes Charlie six minutes to run two laps, 12 minutes to run four laps, 18 minutes to run six laps, 24 minutes to run eight laps, and 30 minutes to run ten laps. How long will it take Charlie to run seven laps around the track?

21 minutes

100

Earl runs 75 meters in 30 seconds. How many meters does Earl run per second?

2.5 meters

100

How many cups are in 4 pints?

8 cups

100

What is 28% of 25?

Seven
100

Alana spent $21 of her $300 paycheck on a gift. What percent of her paycheck was spent on the gift?

7 percent

200

A shower uses 12 gallons of water in 2 minutes. How much water will the shower use in 5.5 minutes?

33 gallons

200

The Webster family is taking an express train to Washington, D.C which is 150 miles away. The train travels at a constant speed and makes the trip in 2 hours. How fast was the train traveling per hour?

75 miles per hour

200

A male Chihuahua weighs 5 pounds. How many ounces does he weigh?

80 ounces

200

What is 25% of 200?

50

200

A store has 300 televisions on order, and 80% are high definition. How many televisions on order are high definition?

240 televisions are high definition

300

A lifeguard received 15 hours of first aid training and 10 hours of cardiopulmonary resuscitation (CPR) training. What is the ratio of hours of CPR training to hours of first aid training?

10 to 15

300

William Dandy Athletics decided to sell sweatshirts as a department fundraiser. Coach Rollie collected $60 for three sweatshirts, $160 for eight sweatshirts, and $240 for 12 sweatshirts. How much was each sweatshirt sold in the fundraiser?

$20

300

Jonah’s house and his grandparents’ house are 8,046.72 meters apart. What is this distance in miles?

5 miles

300

16 is _____% of 20

80%

300

There are 4 pieces apples, 7 oranges, 6 bananas, and 3 pears in a bowl. What percentage of the pieces of fruit in the bowl are apples?

20 percent

400

The Webster family is taking an express train to Washington, D.C which is 120 miles away. The train travels at a constant speed of 30 miles per hour. How long will it take the Webster family to reach Washington, D.C.?

The Webster family will arrive in four hours

400

Danny charges $35 for 3 hours of swimming lessons. Martin charges $24 for 2 hours of swimming lessons. Who offers a better deal? By how much?

Danny; $0.43

400

A Class 4 truck weighs between 14,000 and 16,000 pounds. What is the weight range in tons?

Between 7 tons and 8 tons

400

21 is 70% of _____

30

400

The school principal spent $2,000 to buy some new computer equipment. Of this money, $120 was used to buy some new keyboards. What percent of the money was spent on keyboards?

Six percent
500

Mikaela is competing in a race in which she both runs and rides a bicycle. She runs 5 kilometers in 0.5 hour and rides her bicycle 20 kilometers in 0.8 hour. If Mikaela runs for 1 hour and bikes for 1 hour at these rates, how far will she travel?

35 kilometers

500

Abby can buy an 8-pound bag of dog food for $7.40 or a 4-pound bag of the same dog food for $5.38. Which is the better buy?

8-pound bag

500

Three friends each have some ribbon. Carol has 42 inches of ribbon, Tino has 2.5 feet of ribbon, and Baxter has 1.5 yards of ribbon. Express the total length of ribbon the three friends have in inches, feet and yards.

126 inches

10.5 feet

3.5 yards

500

42 of the 150 employees at Carlo’s Car Repair wear contact lenses. What percent of the employees wear contact lenses?

28%

500

Your weight on different planets is affected by gravity. An object that weighs 150 pounds on Earth weighs only 56.55 pounds on Mars. The same object weighs only 24.9 pounds on the Moon. What percent of an object’s Earth weight is its weight on Mars and on the Moon?

Mars - 37.7%

Moon - 16.6%

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