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gulaghasi [49]
3 years ago
7

Countering a cost $9.40 per sales tax. After sales tax, it cost $9.87. What is the sales tax rate?

Mathematics
2 answers:
Verizon [17]3 years ago
7 0
Sales Tax = $9.87 - $9.40 = $0.47 

Sales Tax Rate = 0.47/9.40 x 100 = 5%

Answer: 5%

Nady [450]3 years ago
6 0
STEP 1:
find the sales tax (decimal form)

x= sales tax

Cost + (Cost * Sales Tax)= Total
plug in known numbers

$9.40 + ($9.40 * x)= $9.87

9.40 + 9.40x= 9.87
subtract 9.40 from both sides

9.40x= 0.47
divide both sides by 9.40

x= 0.47/9.40

x= 0.05 sales tax decimal form


STEP 2:
find sales tax percentage

= 0.05 * 100
or move decimal to the right two decimal places

= 5% sales tax percent form


ANSWER: The sales tax is 5% (or 0.05 in decimal form)

Hope this helps! :)
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