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11 May, 21:24

Janelle has $75. she buys jeans that are discounted 30% and then uses an in-store coupon for $10 off the discounted price. After paying $3.26 in sales tax, she receives $17.34 in change. what was the orginal price of the jeans?

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  1. 11 May, 21:46
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    So, she paid (75-17.34=57.66) for the purchase

    Or, the jeans costed 57.66-3.26=54.4 (prize minus sales tax)

    But she got a 10 dollars off! so that means that the jeans actually costed 64.4

    now, the 64.40 was the prize discounted by 30%:

    64.40 = (100-30) %*x

    where x was the original prize

    64.40=0.7x

    644=7x

    x=644/7

    x=92

    so the original prize was 92 dollars.
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