Julie is 3 years older than her sister. Julie's age is 11 years old. Write an equation to determine how old is her sister?
n + 3 = 11
Mr. Cushman bought 7 Moana t-shirts plus one water bottle that costs $2 for a total of $90.93. Each t-shirt cost the same amount. Write an equation to determine how many Hannah Montana t-shirts did Mr. Cushman buy?
7n + 2 = 90.93
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. Write an equation to determine how many apples were in each box?
4a - 3 = 109 a = 28
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. Write an equation to determine the cost for a bag of raisins?
17r + 2.97 = 34.76
When you count by ones from many 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