Solving by Combining Like Terms
Ms. Burns bought 7 Taylor Swift t-shirts for a total of $90.93. Each t-shirt cost the same amount. How many Hannah Montana t-shirts did Ms. Burns buy?
n - # of t-shirts 7n = 90.93 n = 12.99 Each t-shirt cost $12.99
Ms. DuVall goes to the grocery store and purchases 17 bags of raisins and a $2.97 jar of peanut butter. His total cost was $34.76. What was the cost for a bag of raisins?
r - cost of a bag of raisins 17r + 2.97 = 34.76 r = 1.87 Each bag of raisins cost $1.87