When you use a coupon for 15% off the original price of a headset, you pay $27. What is the original price of the headset?
1 answer:
Let x represent the orig. price. Then (100-15)% of x produces the sale price. It is 0.85x = $27, so that
x = $31.76.
Check: What is 15% off $31.76? $4.76.
What is $31.76 = $4.76? $27. This is correct.
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