Name: ______Date: ______Period: ______
Problems that Can Be Solved Using Proportions
1. Alexa drove a motorcycle 200 kilometers in 3 hours. If she drove at this constant speed, how far could she travel in 9 hours?
2. George wanted to buy some guppies for his aquarium. The owner of the tropical fish store told him that 6 square inches of air surface would be needed for 2 guppies in the tank. How many guppies can George put into his aquarium if the tank has 180 square inches of air surface?
3. The department store was selling brightly colored towels at 3 for $10. What would be the cost of 12 towels?
4. It takes Barb 1.5 hours to type 6 pages. If she can continue at that rate, how long would it take her to type 15 pages?
5. At a barbeque last Saturday, people preferred eating hamburgers to hotdogs by a ratio of 4 to 3. If 20 hamburgers were eaten, how many hotdogs were eaten?
6. I recently had a photograph enlarged. The original dimensions of the photo were 3 inches tall and 5 inches wide. If the new height is 12 inches tall, how wide is the picture?
7. A clay sculpture of a deer is 2.5 inches high and 6 inches long. The sculptor decided to make a larger deer with the same proportions. The deer would be 7.5 inches high. How long would it be?
8. The exchange rate in Mexico is 9.990 pesos per U.S. dollar. If you exchange $180, how many pesos will you have?
9. If you leave Mexico with 180 pesos, how many dollars will you have?
10. A factory tested a sample of 50 batteries and found that 18 of them were defective? In a sample of 4500 batteries, how many would you expect to be defective?
11. You conducted a survey of 320 adults and found that 288 of them have never made a call from an airplane phone. If you surveyed 3500 adults, how many of them would you predict have made a call from an airplane phone?
12. You earn $210 in 40 hours. At this rate, how much do you earn in 55 hours?
13. You stuffed 108 envelopes in 45 minutes. At this rate, how many envelopes can you stuff in 2 hours?