Mathematics, 01.12.2021 06:00 lolaloiuy7695
Five runners together complete a $100$-mile endurance race by running separate, non-overlapping portions of the course. Runner B's portion is $1.5$ times the length of Runner A's portion. The combined portion for Runners C and D is twice the length of the combined portion for Runners A and B. Runner E then runs the last $10$ miles of the race. How many miles did Runner B run?
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Five runners together complete a $100$-mile endurance race by running separate, non-overlapping port...
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