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The 5% sales tax on a basket was $0.70. What was the price of the basket?
Use a proportion to solve the problem; part/whole = %/100. The whole is the price of the basket (which is unknown, so call it x), the part is the tax of $0.70, and the % is 5. The proportion is 0.70/x = 5/100. Solve the proportion by cross-multiplying, setting the cross-products equal to each other, and solving as shown below.0.70 /x = 5/100 (100)(0.70) = 5x70 = 5x70 /5 = 5x/5x = 14The price of the basket was $14.
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