brooklinlykins brooklinlykins

12-08-2022
Mathematics

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After a 70% reduction, you purchase a new sofa on sale for $234. What was the original price of the sofa?

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thewhomstd thewhomstd

12-08-2022

Answer: $780

Step by step:

[tex]\frac{30}{100} = \frac{234}{x}[/tex]

after a 70% reduction, there is only 30% left, so 30/100 is equal to 234/x.

divide 234 by 30. you get 7.8.

next, since 30*7.8=234, 100*7.8=x.

100*7.8=780

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