Question

A car leaves a town at 80 kilometers per hour. How long will it take a second car, travelling at 125 kilometers per hour, to catch the first car if it leaves 1 hour later?

Answer 1

the 1st car has an 80 km headstart

the difference in speeds is ... 125 kph - 80 kph = 45 kph

80 km / 45 kph = ? h