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Sauron [17]
3 years ago
6

A pack of cinnamon-scented pencils sells for $7.00. What is the sales tax rate if the total cost of the pencils is $7.28?

Mathematics
1 answer:
Lerok [7]3 years ago
8 0
First divide the new amount (7.28) by the original amount (7) and then times by 100

7.28 / 7 x 100 = 104

This tells us that 7.28 is 104% of 7 
Minus this by 100 to get the sales tax rate:
104 - 100 = 4%


You could also subtract 7.28 by 7 first, then divide that by 7 and then multiply by 100:

7.28 - 7 = 0.28
0.28 / 7 x 100 = 4%
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