Mr. Cushman bought 7 Hannah Montana t-shirts for a total of $91. Each t-shirt cost the same amount. How many Hannah Montana t-shirts did Mr. Cushman buy?
n - # of t-shirts 7n = 91, n = 13. Each t-shirt cost $13
Mr. Bucci goes to the grocery store and purchases 17 bags of raisins and a $5 jar of peanut butter. His total cost was $39. What was the cost for a bag of raisins?
r - cost of a bag of raisins 17r + 5 = 39 r = 2 Each bag of raisins cost $2
When you count by one from many integers, you are counting consecutive integers. Using variables, three consecutive integers are n, n + 1, and n + 2. The sum of three consecutive integers is 48. What are the integers?
n + n + 1 + n + 2 = 48 n = 15 The integers are 15, 16, and 17.