A CASE OF 12 ROLLS OF PAPER TOWELS SELLS FOR $9. THE COST OF ONE R...

32. A case of 12 rolls of paper towels sells for $9. The cost of one roll sold individually is $1. What is thepercent of savings per roll for the 12-roll package over the cost of 12 rolls purchased individually?a. 9%b. 11%c. 15%d. 25%e. 90%