2(x + 5) = 14
x = 2
Solve. 8p ≤ 2
p ≤ 0.25
4x + 9 = 33
x = 6
WRITE AN EQUATION & SOLVE: Julie is 3 years older than her sister. Julie's age is 11 years old. How old is her sister?
3 +x = 11
Julie's sister is 8 years old.
Solve. x+ 10 < 12
x < 2
x + 3x = -8
x = -2
Bella earns $7.50 per hour on the weekends babysitting. How many hours will she need to babysit to earn at least $120?
7.50(x) = 120
at least 16 hours
Solve. 3x ≤ -12
x ≤ -4
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?
4x - 3 = 109
28 apples in each box
Solve. x/(-3) ≥ -5
x ≤ 15
-6(m + 1) + 18 = 24
m = -2
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?
17x +2.97 = 34.76
$1.87
-2x +1 ≥ 11
x ≤ -5
7k - 8 + 2(k + 12) = 52
k = 4
Dylan has $100. He wants to buy a book for $20 and some CDs for $15 each. At most, how many CDs can Dylan buy?
20 + 15x ≤ 100
x ≤ 5.33 ... which means
at most 5 CDs