14-12-2020
Mathematics

contestada

A cyclist travels 21 miles in 45 minutes.
What is his average speed in mph?

Respuesta :

NgShiYin NgShiYin

14-12-2020

Answer:

28 mph

Step-by-step explanation:

1h = 60m

45m --- 21 miles

60m --- [tex]\frac{60}{45}[/tex] × 21 miles = 28 miles

Thus, his average speed is 28 mph.

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jayleen5101 jayleen5101

14-12-2020

His average speed is 28 miles per hour.

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