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30 November, 12:34

Ralph sold brownies for $0.99 a piece in order to earn money for baseball cards. if the cards cost $1.35 per pack, and if ralph had no money left over after buying them, what is the least number of brownies he must have sold

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  1. 30 November, 12:44
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    Least common multiple of 0.99 and 1.35

    99 = 3 x 3 x 11

    135 = 3 x 3 x 3 x 5

    LCM = 3 x 3 x 3 x 5 x 11 = 1485.

    Thus LCM of 0.99 and 1.35 = 14.85

    Therefore, the least number of brownies he must have sold = 14.85/0.99 = 15.
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