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01-03-2016
Mathematics

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The sales tax on a $250 computer is $17.50. find the sales tax rate

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01-03-2016

tax=tax rate times cost of product
tax=17.50
cost of product=250
17.50=rate times 250
divide both sides by 250
17.50/250=rate
0.07=rate
percent means parts out of 100
0.07/1 times 100/100=7/100=7%
7%=rate

answer is 7% tax

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