What percent sales tax did Sandra have to pay if she paid $225.63? First you determine the actual cost of the T-shirts 8 X 17.25 = $138 6 X 11.50 = $69 _____ $207 Second you determine the tax amount Total pay out $225.63 - $207.00 = $18.63 So you know $18.63 was the amount of tax dueThird to detemine the percent of sales tax you divide the amount of sales tax paid by the total merchandise cost. $18.63 divided by $207 = 0.09 Move the decimal 2 times - The answer is 9 % sales tax. To check your work - $207 X 9 % = $18.63 |