3.1.3 Solving Inequalities by Multiplying or Dividing − Practice
1. Solve the inequality and graph the solutions. 12 b > − 36
2. Solve the inequality and graph the solutions. ≤ z 6 4 3. Solve the inequality and graph the solutions. − 15 z ≤ 75
4. Solve the inequality and graph the solutions. − 30 m ≥ 300
5. Solve the inequality and graph the solutions. − >− m 2 3 6. Solve the inequality and graph the solutions. >
n 4
3 12
7. Solve the inequality and graph the solutions.
m
8 13
≥
39
−
8. A school is contemplating purchasing new computers for its computer lab. Each computer costs $1125. The school has a budget of $8,000. What are the possible numbers of computers that the school can buy?
9. Marco’s Drama class is performing a play. He wants to buy as many tickets as he can afford. If tickets cost $2.50 each and he has $14.75 to spend, how many tickets can he buy?
160
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