Problema Solution
A passenger car travels 30 km/h faster than a delivery truck. While the car goes 400 km, the truck goes 250 km. Find their speeds.
Answer provided by our tutors
400 = v * t
250 = (v-30)* t
dividing , we get
8/5 = v/v-30
8v - 240 = 5v
3v = 240
v = 80
so speed of car is 80km/hrspeed of truck = 80 - 30 = 50 km/hr