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Mathematics 10 Online
OpenStudy (anonymous):

petra saved $47 when she brought a keyboard on sale for 25%. What was the original price? Is the answer$58.75?

Directrix (directrix):

She bought a keyboard on sale for 25% --- Does this mean Petra bought the keyboard for 25% *off* its original price, or does this mean Petra bought the keyboard for 25% *of* its original price?

OpenStudy (anonymous):

off

Directrix (directrix):

25% off is .25K = 47 where K is the original cost of the keyboard K = 47 divided by .25 = $ 188.00 for original cost of keyboard.

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