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  • 24-08-2018
  • Mathematics
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a moving company charges $45 on arrival and $25 and hour. Their final bill was $470. How many hours did they work.

Respuesta :

mkryukova19 mkryukova19
  • 24-08-2018

Let's x to be hours that company worked.

Then, $ 25x should be billed for x hours.

Altogether is going to be charged $ 45 + 25x.

So,

45 +25x =470

25x = 425

x= 17 (hours)

Answer: a company worked 17 hours.



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