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Mathematics 13 Online
OpenStudy (anonymous):

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. Create a proportion to find out.

OpenStudy (anonymous):

A proportion can be expressed as a fraction. The first proportin is 1 : 3 or 1/3. What is the second proprtion as a fraction?

OpenStudy (anonymous):

Hint: In proportion symbols, it's y : 81. Put that into a fraction and set it equal to the first fraction.

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