AlgebraEasy–MediumLargest integer in an overlap of two inequalities
Algebra practice question
What is the largest integer that satisfies both 2x < 15 and x > 3?
Answer: 7
2x < 15 gives x < 7.5; the largest integer below 7.5 that is also greater than 3 is 7.
Common wrong answers
- If you answered 4
- 4 is the smallest integer in the range, not the largest.
- If you answered 8
- 8 gives 2(8) = 16, which is not less than 15.
- If you answered 7.5
- 7.5 is not an integer.
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