The price of a math book is 50$ but you only have 35$ if you get a discount of 20% how much money do you need?
1 answer:
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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