Solving Basic Inequalities

My sister plans to sell more than 250 boxes of cookies.

• c>250

• c<250

• c≤250

• c≥250

What are two numbers that could be x in x < 8?

• 8.6, 7.9

• 11, 16

• 0.8, 5.9

• 12, 7.1

-4 + y < -8

• y < 4

• y < -12

• y < -4

• y < 12

15 > -5 + z

• z < 20

• z > 20

• z > 10

• 10 > z

24 ≤ h + 15

• h ≥ -9

• h ≥ 9

• h ≤ 9

• h ≤ 39

-24 + k ≤ 10

• k ≤ 14

• 34 ≤ k

• k ≤ 34

• 14 ≤ k

Solve

• z≤1

• z>9

• z≤9

• z<9

Mike has at least $250 in his savings account. Which inequality represents this situation?

• m < 250

• m > 250

• m ≤ 250

• m ≥ 250

Zach can spend at most $100 on new cloths. Which inequality represents this situation?

• z < 100

• z > 100

• z ≤ 100

• z ≥ 100

What inequality symbol goes with is at least?

• <

• >

• ≤

• ≥