a boy has enough money to buy 20 exercisew book.if each book cost 25 paise less,he could buy 2 more books and still have 20 paise much money did he have??? ans (48 rs)?

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asked by mini
  1. ? rs = 20 b ... 1.1 ? rs = 22 b

    ? rs = 22 (b - .25) + .20 = 22 b - 5.3

    .1 ? rs = 5.3

    ? = 53

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    posted by Scott

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