MATH SOLVE

4 months ago

Q:
# a. If an item is discounted 20%, the sale price is what percent of the original price?b. If the original price of the item is $400, what is the dollar amount of the discount?c. How much is the sale price?

Accepted Solution

A:

Answer:a) 80% b) $80 c) $ 320Step-by-step explanation:Let the original price be $ 100Discount= 20%Hence, the selling price is= $ 100 ×[tex]\frac{100- 20}{100}[/tex]Hence, the selling price is= $ 80let selling price x % of original price$ 80= [tex]\frac{x}{100}[/tex] × 100x = 80% Selling price is 80% of original priceb) If the original price= $ 400Discount = $ 400 × [tex]\frac{20}{100}[/tex] 80Discount =$ 80c) Selling price= $ 400 [tex]\frac{(100-20)}{100}[/tex]Selling price= 4× 80Selling price= $320