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11-12-2020
Mathematics

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mary wants to buy a dvd. the original price was $29. the dvd is on sale for 30% off. how much was the discount? How much will mary pay for the dvd before sales tax is added?

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11-12-2020

Answer:

Discount: $8.70 off

Mary will pay $20.30

Step-by-step explanation:

Cross multiply and solve: 30/100 = x/29 ---> 30 * 29/100 = 8.7

29 - 8.7 = 20.3

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