Kwame purchased a washer for $312.20. The price of the washer included sales tax of 11.5%.

Which equation can be used to find the price, p, of the washer before tax?

A.

11.5p = 312.20

B.

p + 0.115p = 312.20

C.

0.115p = 312.20

D.

p + 11.5p = 312.20

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