Homework Help: Sales Tax

Posted by Anonymous on Saturday, April 14, 2007 at 11:55am.

A video games price was 90$. The store offered 10% discount. How much did a costumer pay if there was a 8% sales tax on the selling price?

10% of $90 = a (90 x .10)

$90 - a = b

b x .08 = sales tax

To add to what Writeacher said,

Multiply b x 1.08 and that will give you the total price. That will save you a step.

Matt

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