The distance between two towns 300 km. Two cars start simultaneously from these and move towards each other. The speed of one car is more than the other by 7km/hr.If the distance between the cars after 2 hours is 34 km, find the speed of the cars
Answers
Answered by
27
let x be the speed of the first car
2nd will be x+7
Distance=speed*time
a/q
2(x)+2(x+7)=300-34
2x+2x+14=266
4x=252
x=63
1st car =63km/hr
2nd car=70km/hr
2nd will be x+7
Distance=speed*time
a/q
2(x)+2(x+7)=300-34
2x+2x+14=266
4x=252
x=63
1st car =63km/hr
2nd car=70km/hr
Answered by
6
Let the speed of the car be=x
2nd car speed=x+7
Distance=speed×time
A/Q,
2x+2(x+7)=300-34
=2x+2x+14=266
=4x=252
x=63
1st car speed=63km/h
2nd car speed=63km/h+7km/h
=70km/h
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