The taxi in a city comprise of a fixed charges together with the charge for the distance covered. For a journey of 10 km, the charges paid is Rs.75 and for a journey of 15 km, the charge paid is Rs.110 what will a person have to pay for traveling a distance of 25 km.
Let fixed charges of taxi be Rs.x and charges for covering distance be Rs.y per km.
Then according to question, we have
x+10y=75 (i)
x+15y=110 (ii)
Solve
we get x=5 and y=7
Person will have to pay for travelling a distance of 25 km.
x+25y=5+25*7=Rs.180
option 4