Posted by **Katie** on Monday, September 26, 2011 at 2:25pm.

Amy bought a pair of running shoes she paid $66.09 during a 20% off sale, what is the regular price of the shoes?

Would I take 66.09 divide by 20%?

- Math 116a -
**Ms. Sue**, Monday, September 26, 2011 at 2:27pm
No. If you did this: 66.09/0.2 = 330.45.

Certainly the original price was not over $300.00

Please try again.

- Math 116a -
**Katie**, Monday, September 26, 2011 at 2:29pm
would it be 79.30 66.09+20%

- Math 116a -
**Ms. Sue**, Monday, September 26, 2011 at 2:32pm
No. That isn't the answer, but at least it's close.

100% - 20% = 80%

Let x = the original price.

0.8x = 66.09

x = 66.09/0.8

x =

- Math 116a -
**Katie**, Monday, September 26, 2011 at 2:34pm
ok I get it the regular price is 82.61

ThankYou

- Math 116a -
**Ms. Sue**, Monday, September 26, 2011 at 2:53pm
Right.

And you're welcome.

- Math 116a -
**Katie**, Monday, September 26, 2011 at 2:54pm
you're awsome

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