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

Respuesta :

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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