The distance between two places A and B on road is70 kms. A car start from A and other from B. If they travel in same direction, they will meet after one hour, then find their speeds
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let speed of car A beX
let the speed of car B beY
according to question :-
7X-7y=70
=X-Y=10. ...... (1)
X+Y=70. ........ (2)
by ... (1) and ... (2)
2X=80
x=40km/h
hence speed of car a=40km/h and car b=30km/h
let the speed of car B beY
according to question :-
7X-7y=70
=X-Y=10. ...... (1)
X+Y=70. ........ (2)
by ... (1) and ... (2)
2X=80
x=40km/h
hence speed of car a=40km/h and car b=30km/h
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