Question

A part of telephone bill (covering the rent and 75 free calls) of a family is
constant and the remaining varies with the rate of paid-calls. When the rate
of each paid-call is Rs 3, the family pays a telephone bill of Rs 850. When the
rate of each paid-call is Rs 4.50, their telephone bill amount to Rs 1150. Find
the telephone bill amount for the family when the rate of paid-call is Rs 3.75.
(Assuming the number of paid call to be the same).​

Answer 1

Answer:

1075 Will be the bill rate