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(PLEASE HELP SOON) The ratio of the sale price of a textbook to the original price is 1:3. The original price is $81. What is the sale price?
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(PLEASE HELP SOON) The ratio of the sale price of a textbook to the original price is 1:3. The original price is $81. What is the sale price?

User Fredperk
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Ratio = 1:3
or in other words = sale price:original price

Therefore, it'd look like this = sale price:$81
So to work out the original price, you'd do $81 divided by 3 (81 ÷ 3 = $27).

The sale price is $27..
User LCaraway
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