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Julia can finish a 20-mile bike ride in 1.2 hours. katie can finish the same bike ride in 1.6 hours. to the nearest tenth of a mile, how much faster does julia ride than katie? distance (mi) rate (mph) time (hr) julia 20 1.2 katie 20 1.6 4.2 mph 8.0 mph 12.5 mph 15.4 mph

Respuesta :

Answer:

Julia is riding 4.2mph faster than Katie.

Step-by-step explanation:

Julia rode 20 miles in 1.2 hours.

miles/hour= 20/1.2

= 16.6667mph

Katie rode 20 miles in 1.6 hours.

miles/hour = 20/1.6

= 12.5 mph

Subtract.

16.6667 - 12.5

= 4.1667

To the nearest tenth:

~= 4.2



Julia is 4.2 mph faster than Katie.

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