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A bicyclist rides 14 miles in 112 minutes. If she continues at this speed, how long will it take her to travel 35 miles?
A) 43 minutes
B) 45 minutes
C) 280 minutes
D) 602 minutes

Respuesta :

BillTheBadger
c) 280 minutes

You can use ratios:
14 miles   =   35 miles 
 112 min            x min

Then to solve for x you cross multiply to get 

14x = 3920 

Then isolate x to get 

x = 280

Therefore, it will take 280 minutes

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