Equations
12 = x - 108
x = 120
x - 2 > 14
x > 16
less than 3
< 3
Jake loses one of his socks and only has one left. How many socks did Jake start with?
x - 1 = 1
-8x = 56
x = -7
5x < 30
x < 6
greater than or equal to -20
≥ -20
Jake burns 500 calories an hour while riding his bike. How many hours would it take him to burn 1,000,000 calries?
500x = 1,000,000
2(x - 1) = 8
x = 5
-8x > 40
x < -5
at least 0
≥ 0
A teacher needs to have less than 40 students in his class. If 12 kids are being added to the class, how many students can be in the class originally?
x + 12 < 40
40 = -3x + 1
x = -13
-2x + 1 < 7
x > -3
≤ -90
DAILY DOUBLE
Tony makes 2 fences every day, but on one day 6 of them broke. How many days until he has 24 fences made?
2x - 6 = 24
-5(2x + 4) = -120
x = 10
100 > -20x
x > -5
up to 10
≤ 10
Lucy needs at least $400 to go on a trip. Her fundraiser earns her $40 per item sold and already has $120 saved.
40x + 120 ≥ 400