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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OpenStudy (theedwardsfamily):
@iGreen
OpenStudy (theedwardsfamily):
@tkhunny help plz
OpenStudy (tkhunny):
If the original price is 'p', what expression represents 11.5% of that?
OpenStudy (theedwardsfamily):
D?
OpenStudy (tkhunny):
You didn't answer my question.
If the original price were $100, how would you calculate the tax with a rate of 11.5%?
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OpenStudy (theedwardsfamily):
confusion.....
OpenStudy (theedwardsfamily):
@iGreen help
OpenStudy (tkhunny):
You've never purchased anything at a store?
How do you calculate the tax on whatever item you purchase?
OpenStudy (theedwardsfamily):
brb
OpenStudy (michele_laino):
by definition of percentage, we can write:
p + 0.115*p = 312.20
where p is the price with no tax
and the quantity 0.115*p is the amount of tax
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