joannamartinez
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- Feb 19, 2010
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Amy paid $92.32 for a pair of running shoes during a 30% off sale. What was the regular price? What I came up was 27.70 more or $120.02. Is this correct? Please advise. Thank you.
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Algebra word problem
- Thread starter joannamartinez
- Start date
BigGlenntheHeavy
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- Mar 8, 2009
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\(\displaystyle Amy \ paid \ \$92.32 \ for \ a \ pair \ of \ running \ shoes \ at \ a \ 30\% \ off \ sale.\)
\(\displaystyle Hence, \ she \ only \ paid \ 70\% \ of \ the \ original \ price.\)
\(\displaystyle Let \ x \ = \ the \ original \ price, \ then \ 70\% \ of \ x \ = \ \$92.32.\)
\(\displaystyle .7x \ = \ 92.32 \ \implies \ x \ = \ 131.89\)
\(\displaystyle Check: \ 30\% \ of \ \$131.89 \ = \ \$39.57 \ and \ \$131.89-\$39.57 \ = \ \$92.32.\)
\(\displaystyle Hence, \ she \ only \ paid \ 70\% \ of \ the \ original \ price.\)
\(\displaystyle Let \ x \ = \ the \ original \ price, \ then \ 70\% \ of \ x \ = \ \$92.32.\)
\(\displaystyle .7x \ = \ 92.32 \ \implies \ x \ = \ 131.89\)
\(\displaystyle Check: \ 30\% \ of \ \$131.89 \ = \ \$39.57 \ and \ \$131.89-\$39.57 \ = \ \$92.32.\)
joannamartinez
Junior Member
- Joined
- Feb 19, 2010
- Messages
- 105
I see where I went wrong on solving the problem. Thank you for clarifying it for me. I appreciate your help and patience.