meg6623
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Shelly biked 21 miles in 4 hours. Shellys average speed per hour is 5.25. At the same rate how many hours will it take her to ride 42 miles.

Respuesta :

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42=5.25x
8=x
It will take her 8 hours
Unknow1
shelly biked = 21 miles / 4 hours
Shelly's average speed = 5.25 miles / hour
distance to be travelled = 42 miles
Time that would be taken = ?
we know that speed= distance / time
5.25 = 42/time
or time = 42/5.25
time = 8 hours 《《 ANSWER

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