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12 September, 14:19

Gustavo's bicycle cost $171.18 after a sales tax of 8%. write and solve an equation to find the price of the bike before the sales tax was added. enter your answer without the dollar sign

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  1. 12 September, 16:41
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    Let x = price of the bike before a sales tax.

    The price after a sales tax of 8% is

    x + 0.08x = 1.08x dollars

    Because the price paid was $171.18, therefore

    1.08x = 171.18

    x = 171.18/1.08 = $158.50

    Answer: 158.50
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