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  •  » Word Problem - 10% off a CD. I paid $18. What was orig price of cd?

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Topic review (newest first)

bob bundy
2014-01-22 19:54:11

hi RFMNZ

Call the normal price x.

Then





Can you finish it from here?

Bob

RFMNZ
2014-01-22 14:44:03

I know this is really simple, but I am drawing a complete blank. Thanks! smile

Q: You have a coupon for 10% off the price of a CD. You pay $18 for a CD. How much would you pay if you did not have a coupon?

I know the answer is $20, but I cannot figure out the equation. Thank you!

Finally figured it out.

90/100=18/x
cross multiply
90x=1800
x=20

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