equations

Asked by  | 12th Mar, 2009, 11:44: AM

Expert Answer:

Let the fixed charges be x

 and

 the rate per km be y.

So,

 acc to qn,

x+10y=68

x+15y=98

solving we get,

-5y=-30

y=6

So, substituting the value of y in first equation,

 we get,

x+60=68

so,

 x=8

Answered by  | 12th Mar, 2009, 12:30: PM

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