the taxi charges in hyd are fixed and cost per kilometer if first 3 km is fixed there after charges per km and 10km charges is 166 and 15 km charges is 256 then fixed charges and charges per km?
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(i) Let the fixed be Rs.X and charge per km=y
x+10y=220 ......(1)
x+15y=310 .......(2)
__-____-_____________
+5y=90
y=18
(ii) for 25km
=x+25y
⇒40+25(18) =Rs.490
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