10
Answer: BSet 1: Linear Inequalities (Advanced)
Explanation
PROBLEM
Solve: 4x + 8 > 2x + 16 AND 3x - 6 <= 18. How many integer solutions?
Solve: 4x + 8 > 2x + 16 AND 3x - 6 <= 18. How many integer solutions?
A.
4
B.✓ Correct
3
C.
5
D.
2
Detailed Explanation
Choice B is the best answer. x > 4 AND x <= 8. Solutions: 5, 6, 7, 8 = 4
Why others are wrong:
A: 4 is incorrect because it does not satisfy the equation.
C: 5 is incorrect because it does not satisfy the equation.
D: 2 is incorrect because it does not satisfy the equation.
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