Proportions and Percents

Margo made a scaled print of a painting, with measurements in inches (in.). The original painting was 36 in. × 36 in. The print Margo made was 9 in. × 9 in. What was the scale factor that Margo used?

• 4

• 9

Wilson is traveling from his house to a campsite. On his map, the campsite is 4.8 centimeters (cm) away from Wilson's house. The map is scaled such that 3 cm = 100 miles (mi). How far away is the campsite from Wilson's house?

• 160 mi

• 120 mi

• 200 mi

• 100 mi

Tags

CCSS.6.RP.A.3B

• 6 ft x 10 ft

• 9 ft x 15 ft

• 18 ft x 30 ft

• 27 ft x 45 ft

Tags

CCSS.7.G.A.1

The scale for the areas of two squares is 1:4. The length of the small square is 6 feet. What is the length of the large square?

• 12 feet

• 24 feet

• 48 feet

• 96 feet

Tags

CCSS.7.G.A.1

Jack ran 1/2 mile in 5 minutes. How fast was Jack running in miles per hour (mph)?

• 2.5 mph

• 6.0 mph

• 10.0 mph

• 12.0 mph

Tags

CCSS.7.RP.A.1

Tim's bill at a restaurant is $40.00. Tim pays the bill, adding a tip of 25% for the server. What is the total amount of money Tim spends at the restaurant?

• $50.00

• $45.00

• $55.00

• $60.00

Tags

CCSS.6.RP.A.3C

• $30.97

• $32.62

• $34.02

• $35.00

Tags

CCSS.6.RP.A.3C

Audrey can use her laptop in energy-saving battery mode for seven hours. In regular battery mode, her laptop can be used for five hours. Audrey used her laptop for three hours in energy-saving battery mode. How many more hours can she use it in regular battery mode?

• 2 1/4 hours

• 2 4/5 hours

• 2 6/7 hours

• 4 1/5 hours

Tags

CCSS.7.NS.A.3

A shoe store has a sale where customers can buy 1 pair of shoes at the regular price and get 1 pair for 50% off. Loren has a coupon for a 20% discount on the total purchase price after other sales are applied. Loren purchases 2 pairs of shoes that normally cost $40 each. What is the total percentage (%) of Loren's discount for the shoes?

• 50%
• 40%

• 30%
• 20%

Tags

CCSS.6.RP.A.3C

Franco buys pizzas and sandwiches for a party. Franco buys 30 items total, with the ratio of 2:3 pizzas to sandwiches. Which statement explains the number of pizzas Franco buys?