3 years ago

A cyclist travels 9 miles in 45 minutes. What is his average speed in mph?

Mathematics

1 answer:

galben [10]3 years ago

6 0

45 minutes = 3/4 hour

so the cyclist's average speed is

(9 miles) / (45 minutes) = (9 miles) / (3/4 hour) = 36/3 mph = 12 mph

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