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Dashia4
Dashia4 Dashia4
  • 16-08-2016
  • Mathematics
Answered

The red bus company charges $150 plus $72 per hour to rent a bus. The blue bus company charges $240 plus 54 per hour. For what number of hours would the companies charge the same?

Verified Answer :

Brahimilaf2
Brahimilaf2 Brahimilaf2
  • 16-08-2016

Hello , 
x = number of hours 

1) Red B.C : 
150 + 72x .

2) Blue B.C 
240 + 54x . 

- For What number of hours would the companies charge the same ? 
150+72x = 240+54x
72x-54x = 240-150
18x = 90
x = 90/18
x = 5 .

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