Proportions and Similar Figures

Ramon travels 20 miles in 20 minutes, how many miles can he travel in 120 minutes?

• 120 miles

• 200 miles

• 10 miles

• 40 miles

12 ounce shampoo bottle lasts Mike 16 weeks.  How long would you expect an 18-ounce bottle of the same brand to last him?

• 24 weeks
• 6 weeks
• 30 weeks
• 20 weeks

About 13 out of 20 homes have a personal computer.  On a street with 60 homes, how many would you expect to have a personal computer?

• 7 homes
• 39 homes
• 73 homes 
• 40 homes

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk
• 1.75 cups milk
• 2 cups flour
• 2.25 cups milk

Hamburger meat sells for $6 for every 3 pounds. If Alicia buys 10 pounds of hamburger meat, how much will she pay?

• $30
• $20
• $60
• $10

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

• 18 wk
• 20 wk
• 22 wk
• 24 wk

Natalie was planning a trip to Jordan. Before going, she did some research and learned that the exchange rate is $4 for 3 Dinars. How many Dinars would she get if she exchanged $56?

• 37 Dinars
• 42 Dinars
• 33 Dinars
• 75 Dinars

The ratio of boys to girls is 3 to 2. If there are 12 boys, how many girls are there?

• 2

• 4

• 6

• 8

It takes one Super Giant Pizza to feed 3 people. If you invite 36 people, how many pizzas will you need?

• 3

• 6

• 9

• 12

At a recent party, it cost $9.50 for refreshments for 10 guests. At this rate, how much would it cost to have refreshments for 80 guests?

• $760

• $76

• 7600

• $76000