Question

If Joe wants to purchase a ball that costs $15 and has a 15% off discount, how much does Joe have to pay

Please explain with proof

Answer 1

You will pay $12.75

Explanation:

Answer 2

You will pay $12.75
(The easiest way of calculating discount is, in this case, to multiply the normal price $15 by 15 then divide it by one hundred. So, the discount is equal to $2.25. To calculate the sales price, simply deduct the discount of $2.25 from the original price $15 then get $12.75 as the sales price.)