britneydtran
britneydtran britneydtran
  • 14-12-2017
  • Mathematics
contestada

Lauren jogs at a rate of 2 miles every 2/5 hour. At that rate, how long will it take her to job 11 miles?

Respuesta :

helpmetnx helpmetnx
  • 14-12-2017
2 miles every 2/5 hour. 
how long for 11 miles

Make a ratio
2/5  =  x 
2        11

cross multiply
(2/5)(11)=(2)(x)
4.4 = 2x
divide both sides by 2
2.2 = x

It will take her 2.2 hours (or 2 1/5) to jog 11 miles. 

Hope this helps :)
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