Question

A shirt that normally costs $30 is on sale for $21.75. What percent of the regular price is the salw price?

Answer 1

Answer:

27.5%

Step-by-step explanation:

Answer 2

Using the percentage concept, the percentage of the regular price is 27.5%

Given tha Parameters :

• Normal cost = $30

• Discounted cost = $21.75

Let the percentage discount = p

We can create an expression thus :

• Discounted cost = %discount × normal cost

21.75 = (p/100) × 30

21.75 = 0.01p × 30

0.725 = 0.01p

p = 0.725 / 0.01

p = 72.5

Hence, the percentage of the regular price is (1000% - 72.5%) = 27.5%

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