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7 June, 13:38

A store sells small notebooks for $8 and large notebooks for $16. If a student buys 6 notebooks and spends $72 , how many of each size did he buy?

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Answers (2)
  1. 7 June, 14:06
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    Small notebooks is the correct awnser
  2. 7 June, 15:08
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    8x+16y=72

    x+y=6

    x=6-y

    8 * (6-y) + 16y=72

    8y+48=72

    8y=24

    y=3

    x=6-3=3

    Answer: 3 of each size
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