Solving by Combining Like Terms
Julie is 3 years older than her sister. Julie's age is 11 years old. How old is her sister?
Julie's sister is 8 years old.
Mr. Cushman bought 7 Hannah Montana t-shirts for a total of $90.93. Each t-shirt cost the same amount. How many Hannah Montana t-shirts did Mr. Cushman buy?
Each t-shirt cost $12.99
4(y - 2) + y = -13
y = -1
Tyler has 4 boxes of apples. Each box has the same number of apples. After Tyler eats 3 apples, there are 109 apples left in the boxes. How many apples were in each box?
There were 28 apples in each box.
Mr. Bucci 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?
Each bag of raisins cost $1.87