Math
posted by Pribcesa .
Kent spends half his money on lunch and then spends $1.50 for a magazine. He uses one third of what he has to pay for the bus ride home, then gives his little brother a quarter. If Kent has three nickels and two quarters
left, how much money did he have before lunch

x = ((.65+.25)(3/2)+1.50)(2) = 5.70
check:
start: 5.70
after lunch: 2.85
after magazine: 1.35
after bus: .90
after brother: .65
Or, working from the other end,
(x/21.50)(2/3).25 = .65
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