robertsaah robertsaah

15-06-2016
Mathematics

contestada

A bike shop mountain bikes for a $3.50 insurance charge plus $2.50 each hour. For how many hours can a person rent a bike with 21.00

Respuesta :

leahkay leahkay

15-06-2016

3.50 + 2.50x =21.00

2.50x = 17.5

x = 7

Answer Link

Greenrune113 Greenrune113

15-06-2016

7 hours
3.50+2.50=6.00
Insurance charge is one time, hourly charge of 2.50 an hour so...
6.00+2.50+2.50... Will eventually equal 21.00 (7 times of 2.50)

Answer Link

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