linear equations.

Asked by khushal305 | 15th Jul, 2009, 01:12: PM

Expert Answer:

let it be that they will be 135 km apart  after t hrs.

speed=dist/time

dist covered by first car in t hrs=55t

dist covered by secod car=35t

total dist bet them after t hrs is 135

so

55t+35 t=135

t=1.5 hrs

 

Answered by  | 15th Jul, 2009, 02:13: PM

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