Question

Tony bought a $48 sweatshirt and used a coupon for a 10% discount. Keith bought an identical sweatshirt at a different store for $42.95. Who got the better deal? Tony or Keith?

Answer 1

Given:

a.) Tony bought a 48$ sweatshirt and used a coupon for 10% discount.

b.) Keith bought an identical sweatshirt at a different store for $42.95.

To be able to determine who among them got the better deal, let's determine how much the sweatshirt Tony bought after a discount of 10%.

We get,

$\text{Cost of Sweatshirt Tony bought = \ 48 (}\frac{\text{100\% - Percent Discount}}{100}\text{)}$$\text{ = \ 48 (}\frac{100\text{\% - 10\%}}{100})$$\text{ = \ 48 (}\frac{90\text{\%}}{100})\text{ = \ 48 (0.90)}$$\text{Cost of Sweatshirt Tony bought = \ 4}3.20$

In comparison, $42.95 is lesser than $43.20.

Therefore, Keith got the better deal at $42.95.