Four runners complete a relay race in which each runner runs twice as far as the preceding runner. Together, t

Question

Four runners complete a relay race in which each runner runs twice as far as the preceding runner. Together, they run a total of 30 miles. How far did the first runner run?

Answer 1

two miles

Answer 2

First runner runs a distance of x, second 2x, third 4x and 4th 8x, for a total of 15x.

15x = 30 miles, so x = 2 miles

The first runner ran 2 miles.