Algebra

Lisa had a box of apples. She gave 1/3 of them to henry and 1/4 of the remainder to ale. If there were still 30 apples left, how many did she have at the start?

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  1. This is really sort of a book keeping problem. Just keep track of the apples.
    say x at start
    (1/3) x to henry
    leaves (2/3) x
    (2/3) (1/4) = (1/6)x to ale
    so
    x - (1/3) x - (1/6) x = 30

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