NAME ___________________________________________________ DATE _____________________ PERIOD __________
Lesson 4 Problem-Solving Practice Converting Rates 1. Greg Biffle won the Samsung/Radio Shack 500 NASCAR race at the Texas Motor Speedway in April 2005. His average speed was 130 miles per hour. How many feet per second is this? Round to the nearest hundredth.
2. Every year, monarch butterflies migrate from the United States to Angangueo, Mexico. Scientists sometimes tag and track butterflies to see how far they travel and at what speed they travel. One butterfly was found to fly an average of 11.5 miles per hour. About how many days will it take the butterfly to make the trip, not counting time spent to rest?
3. Harold adopted a St. Bernard. He read that St. Bernards can weigh 90 kilograms. How many pounds is 90 kilograms?
4. A high-speed maglev train in Shanghai can travel at a top speed of 430 kilometers per hour. To the nearest mile, how many miles per hour is this?
5. In 1972, about 22 crushed beverage cans weighed one pound. In 2002, beverage cans were lighter and about 34 crushed beverage cans weighed one pound. Every minute of every day, an average of 113,204 beverage cans were recycled.
6. Refer to your answer for Exercise 5. About how many tons of beverage cans were recycled in an average day?
In 2002, about how many pounds of beverage cans were recycled in an hour?
Math Accelerated • Chapter 5 Ratio, Proportion, and Similar Figures