Question

a store is having a sale where all items are 20% off. if an item costs $50, how much will it cost after the discount?

$30
$35
$40
$45

Explanation:

Calculate the discount amount

Using the Percentage Discount knowledge point

$$ \text{Discount} = \$50 \times 20\% = \$50 \times 0.20 = \$10 $$

Calculate the sale price

Using the Sale Price Calculation knowledge point

$$ \text{Sale Price} = \$50 - \$10 = \$40 $$

Answer:

• (A) $30
• (B) $35
• (C) $40 (Correct answer)
• (D) $45