Question 954620
Mary buys four Snickers and three bags of Skittles. If she buys three Snickers and four bags of Skittles she will pay 12 cents more. What is the difference in price between a Snickers and a bag of Skittles? 
------------------
Equation:
4s+3k - (3s+4k) = 12 cents
-----
Ans: s - k = 12 cents
-------------------