10

Set 1: Linear Inequalities (Beginner)

Explanation

Answer: C

PROBLEM

Solve: 5x < 25. How many positive integer solutions are there?

Solve: 5x < 25. How many positive integer solutions are there?

A.

6

B.

5

C.

4

✓ Correct
D.

3

Detailed Explanation

Choice C is the best answer. x < 5. Solutions: 1, 2, 3, 4

Why others are wrong:
A: 6 is incorrect because it does not satisfy the equation.
B: 5 is incorrect because it does not satisfy the equation.
D: 3 is incorrect because it does not satisfy the equation.

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