8% because 7 x 8 = 56 (so, 7 x 8% = 7.56).
Hope this helps :)
A pack of cinnamon scented pencils sells for seven dollars what is the sales tax rate if the total cost of the pencils is $7.56
3 answers
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7 + r*7 = 7.56.
7r = 0.56,
r = 0.08 = 8%.
7r = 0.56,
r = 0.08 = 8%.