John's family travels 300km from their home to a family reunion. His cousin Suzan and her family take the same amount of time to travel 200km from their home. Determine the speed of both vehicles given that one of the vehicles travels 30km/h faster than the other.

Answer 1

the faster vehicle travels 3/2 as fast as the slower vehicle.
So, if x is the slower vehicle's speed,
3/2 x = x+30
x = 60
check: 200/60 = 300/90