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23 October, 06:48

john spends $112 total. He buys 11 items total. Staplers are $7 and 3 hole punches are $12. how many of each did he purchase?

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  1. 23 October, 09:46
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    Let x=staplers and y=hole punches.

    We have:

    x+y=11

    7x+12y=112

    7x+7y=77

    5y=35

    y=7

    x+7=11

    x=4

    Therefore, he bought 4 staplers and 7 hole punches.
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