Question

please answer this
How to calculate the total bill. the first km will be charged 20 and each consequent km will be charged 17.50.
It is related to programming. I Just want to know the formula to calculate it. ​

Answer 1

Answer:

20+(17.50×consequent km)

simple

Answer 2

Answer:

let the total distance be x km

let total charge be y

17.5x = y - 2.5

Explanation:

let the total distance be x km

charge for 1st km = 20

charge for rest of the trip = 17.5

let total charge be y

the total charge will be =

17.5(x - 1) + 20 = y

17.5x - 17.5 +20 = y

17.5x = y - 2.5