kkfritz kkfritz
  • 22-10-2014
  • Mathematics
Answered

Tim had $149 to spend on 8 books. After buying them, he had $13. Write and solve an equation to find your answer

Answer :

Geekhawk
Geekhawk Geekhawk
  • 22-10-2014
8x+13=$149 is the equation 
8x+13-13=149-13
8x=136
You divide 136 by 8x=$17
The answer is $17 per book
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