Set 4: Linear Inequalities (Beginner)

**Choice C is the best answer.** x < 9. Solutions: 1-8

Explanation

Answer: C

PROBLEM

Solve: x + 11 < 20. How many positive integer solutions?

✓ Correct

Detailed Explanation

Choice C is the best answer. x < 9. Solutions: 1-8

Why others are wrong:

A: 7 is incorrect because it does not satisfy the equation.

B: 19 is incorrect because it does not satisfy the equation.

D: 9 is incorrect because it does not satisfy the equation.