Simplify. 8b + 3b = 22
b = 2
WRITE AN EQUATION & SOLVE: Julie is 3 years older than her sister. Julie's age is 11 years old. How old is her sister?
n - Julie's sister's age n + 3 = 11
n = 8
Julie's sister is 8 years old.
Simplify. 19x - 2 = 36
x = 2
Miss French 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 Miss French buy?
n - # of t-shirts 7n = 90.93
n = 12.99
Each t-shirt cost $12.99
5(a + 4) = 40
a = 4
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?
a - # of apples in each box 4a - 3 = 109
a = 28
There were 28 apples in each box.
x = 4 2/3
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?
r - cost of a bag of raisins 17r + 2.97 = 34.76
r = 1.87
Each bag of raisins cost $1.87
x = 15
3 times a number, n, is 8 more than 4 times the same number. Write and solve an equation.
3n = 8 + 4n
n = -1