Larry C. answered • 11/29/17

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Let t be the time at which they pass each other.

Mr. A will have traveled 75t km and Mr. Z 93t km.

75t + 93t = 420 (since between the two of them, they covered the entire length of road.

Solving for t: 168t = 420 -> t = 2.5 hours

Mr. A traveled 75 * 2.5 or 187.5 km