Question

A pair of shoes is on sale for 30% off. The original price is p. Which expression can be used to find the price of the shoes after the discount? 0. 30p 0. 70p 1. 30p 30p.

Answer 1

The correct option is b which is 0.70p.

Given to us,

original price of shoes = p,

Discount on shoes = 30%

As we know after giving the discount the value of the shoes will be 70% of the original price, therefore,

$\bold{p=100\%\ price\ of\ shoes = \dfrac{100}{100}\times p = p}$

After 30% discount,

$\bold{p=(100\%-70\%) price\ of\ shoes}$

$\bold{p=70\%\ price\ of\ shoes = \dfrac{70}{100}\timesp= 0.7p }$

Hence, the correct option is b which is 0.70p.

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