Question

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

Answer 1

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