Review Inequalities/ Unit rates

1. Solve for k.

7k – 2 ≥ -9

• k ≤ -1

• k ≤ 1

• k ≥ 1

• k ≥ -1

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $35 per pound

• $5 per pound

• $0.125 per pound

-3y + 2 > 11

• y < -3

• y > -3

• y < 3

• y > 3

A store has 120 customers in 6 hours. What is the unit rate in customers per hour?

• 16 customers per hour

• 12 customers per hour

• 20 customers per hour

• 15 customers per hour

If Antonia can type 408 words in 4 minutes, how many words can she type per minute?

• 408 words per minute

• 100 words per minute

• 400 words per minute

• 102 words per minute

Solve for t.

6t + 4 ≤ -2

• t ≤ -1

• t ≤ 1

• t=1

• 1=t

Solve the following inequality:

3x + 4 > 13

• x > 1

• x > 3

• x = 3

• x < 5

Solve for a.

-9a - 1 < 26

• a<-3

• a<3

• a>-3

• a>3

It cost me $46.80 to fill my 13-gallon gas tank. What was the price of gas per gallon?

• $3.60

• $3.55

• $3.40

• $3.50

Solve for k.

2k - 9≤ -19

• k ≤ -5

• k ≤ 5

• k < -5

• k < 5