distance between two station is 300 km. two motorcyclists starts simultaneously from these station and move towards each other. the speed of one of them is 7 k/h more than that of the other. if the distance between them after 2hours of their start is 34km find the speed of each motorcyclist
Answers
Answered by
587
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
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
Answered by
88
Answer:
answer is 63km/ph , 70 km/ph
Step-by-step explanation:
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
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