mery9Rainballe
mery9Rainballe mery9Rainballe
  • 17-09-2016
  • Mathematics
contestada

tom brouht 3 book total of 150 one book cost 50% more than the other two book what price of the more expensive book

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bshawy89
bshawy89 bshawy89
  • 17-09-2016
x = 1.5 times (150-x) 

x = 225 -1.5x

2.5 x = 225

x= 90 


The more expensive book was $90

Check your answer: 

x = 1.5 times (150-x)

90 = 1.5 times (150-90)

90 = 1.5 x60 

90=90
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