Write an equation AND solve: Julie is 3 years older than her sister. Julie's age is 11 years old. How old is her sister?
x + 3 = 11
x = 8 Julie's sister is 8 years old
Write an equation AND solve: Mr. Matthews 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. Matthews buy?
7n = 90.93
n = 12.99 Each t-shirt cost $12.99
Write an equation AND solve: 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?
4a - 3 = 109
a = 28 There were 28 apples in each box
Write an equation AND solve: Mrs. Tiffany goes to the grocery store and purchases 17 bags of raisins and a $2.97 jar of peanut butter. Her total cost was $34.76. What was the cost for a bag of raisins?
17r + 2.97 = 34.76
r = 1.87 Each bag of raisins cost $1.87
Write an equation AND solve: When you count by ones from any integer, 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