Amanda takes 14 hours to travel 720 km, if she travels 240 km by tow truck and the rest by van. If she travels 320 km by tow truck and the rest by van, she takes 40 minutes more. Find the ratio of the speeds of the tow truck and the van.

Correct option is C

Ans. (c) 2:3
Sol. Let the speed of the tow truck be x km/h and the speed of the van be y km/h.
From the given conditions:
1. Amanda takes 14 hours to travel 720 km, traveling 240 km by tow truck and 480 km by van: