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12 June, 17:03

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.

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  1. 12 June, 17:06
    0
    1040

    Step-by-step explanation:

    "1x-0.30x=728"

    move all terms to the left:

    1x-0.30x - (728) = 0

    add all the numbers together, and all the variables:

    0.7x-728=0

    move all terms containing x to the left, all other terms to the right:

    0.7x=728

    x=728/0.7

    x=1040
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