Problema Solution
Nicolas bought 3 business related books. His total bill was $150. If one book cost him 50% more than the other two books combines what was the price of this more expensive book?
Answer provided by our tutors
let
x = the price of the 2 books combined
x + 0.5x = 1.5x the price of the more expensive book
altogether they cost $150
x + 1.5x = 150
by solving we find
x = $60
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1.5*60 = $90
the price of the more expensive book is $90.