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HELP PLEASE!!!!!!!!!!! Cassie has a coupon for 30% off the cost of dinner at a local restaurant. With the coupon, she saves $6 on her dinner. What was the original cost of her dinner? Explain how you know.
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HELP PLEASE!!!!!!!!!!!

Cassie has a coupon for 30% off the cost of dinner at a local restaurant. With the coupon, she saves $6 on her dinner. What was the original cost of her dinner? Explain how you know.

User Ngoc Tran
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5.4k points

1 Answer

5 votes
The original cost of her dinner was 20 dollars.
First set up an equation,
.30x = 6
(x represents the original cost)
To isolate x, divide both sides by .30.
x = .30/6
x= 20 (the original cost)
User Js Lim
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5.7k points
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