Math

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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

  • Math -

    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/2-1.50)(2/3)-.25 = .65

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