You can put this solution on YOUR website! OK THIS INVOLVES PERCENTAGES AND UNDERSTANDING THE ENGLISH!
A SIX DOLLAR DISCOUNT MEANS SIX DOLLARS 'OFF' THE ORIGINAL PRICE.
6 of 40 off. sooo what is the percentage off 6/40 is 3/20 OH look multiply by one 5/5 we get 15/100 is 15% discount!!
Answer is 15 percent discount!