easy · GMAT Quant
A telecommunications firm installs signal boosters along a straight fiber route. Primary distribution hubs are situated at x = 5 and x = 25. A secondary booster at integer kilometer marker x must fulfill |x - 5| + |x - 25| ≤ 30.
How many integer kilometer markers x are valid placement locations?
- 21
- 30
- 31
- 41
- 50
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