Math CentralQuandaries & Queries


Question from Myra, a parent:

I don't know how to help my child answer this question - Selina bought a shirt on sale that was 20% less than the original price. The original price was $\$6$ more than the sale price. What was the original price?

Hi Myra,

Suppose the original price was $\$p$ then, since Selina bought it for 20% off the price she paid was 80% of $\$p$ and hence she paid $0.8\times \$p.$ But the original price is $\$6$ more than this. Solve for $\$p.$ Make sure you verify your answer.

Write back if you need more assistance,

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