Question

The distance between two station is 300 km.Two motorcyclists start simultaneously from these station and move towards each other.The speed of one of them is 7km/h more than that of the other,If the distance between them after 2 hours of their start is 34km,find the speed of each motorcyclist.

Answer 1

distance between the two stations=300 km

let the speed of the first motorcycle be x km/hr

so according to the question the second motorcycle will have a speed of (X+7)km/hr.

so after 2 hrs,1 bike will have a speed of 2x and the 2 bike will have a speed of 2(x+7)

so now,

2x+2(x+7)+34=300

 2x+2x+14+34=300

4x+48=300

4x=252

x=63

so first speed is 63 km/hr,and second speed is (63+7)=70 km /hr

Answer 2

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