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mason used a 30% coupon to buy a new computer. after the discount, the cost of the computer was $728. determine the original price of the computer . show your work . calculate how much money Mason saved by using the coupon . show your work .

Sagot :

Let's call x to the original price.

Given that Mason used a 30% coupon, then he paid 0.3x dollars less.

After the discount, the cost of the computer was $728, then

x - 0.3x = 728

0.7x = 728

x = 728/0.7

x = 1040

The original price of the computer was $1040

Mason saves 30% of $1040, which is computed as follows:

[tex]1040\cdot\frac{30}{100}=312[/tex]

Mason saves $312

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