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Math

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an algebra book weighs 6 oz less than twice as much as grammar book. if 5 algebra books weigh the same as 8 grammar books, how much does an algebra book weigh?

  • Math - ,

    a = 2g-6
    5a = 8g

    5a = 8(a+6)/2
    5a = 4a+12
    a = 12

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