Answers

2015-09-10T21:53:59+05:30
Let speed of A be x
and speed of B car be x+5
after 5 hr distance of A from B is425 km
total speed =total distance/ total time
x+x+5=425/5
2x+5=85
2x=85-5
x=80/2
x=A=40 km/hr
and B=40+5=45 km/hr
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