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12 November, 07:32

The price of a math book is $50, but you have only $35 with you. If you get a discount of 20%, how much money do you need to borrow from a friend so that you can buy the book?

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Answers (2)
  1. 12 November, 08:22
    0
    20/100 * 50=$10

    $10.00 discount from the $50.00.

    $50-$10=$40.00

    Have $35.00.

    $40-$35=$5.00

    Need to borrow $5.00!
  2. 12 November, 10:31
    0
    Price of the book = $50

    20% discount = 0.2 x 50 = $10

    After discount, the price of the book is

    $50 - $10 = $40

    I have $35, so I need

    $40 - $35 = $5 more

    Answer: I need to borrow $5 from a friend.
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