Three drivers, X, Y, and Z, each completed 120-mile segments of a 360-mile journey at speeds of 30, 45, and 75 miles per hour, respectively. What portion of the total driving time did X account for?

Correct answer marked below

A

1/6

B

2/9

C

1/3

15/31

Correct

E

3/8

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PradMay 16, 2024

got this wrong on my practice

O

OscarApr 21, 2025

Thank for sharing!!!

What this question tests

Your application of distance = rate × time to trains, boats, and commuters, including relative speed.

Mixing units (miles per hour vs. minutes) or averaging speeds — average speed is total distance over total time.

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