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xeze [42]
3 years ago
7

The original price of a DVD is $9. The sale price is 80% of the original price. What is the sale price of the DVD.

Mathematics
1 answer:
rjkz [21]3 years ago
5 0
The answer is 1.8 because when you 9-80% you get 1.8
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First, you have to rewrite the question in a way to isolate your Y. This means moving the -3 over to the other side.

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