A telephone company charges initially Rs.0.50 and then Rs. 0.11 for every minute. Write an expression that gives the cost of a call that lasts N minutes.

Explanation

Question: A telephone company charges initially Rs.0.50 and then Rs. 0.11 for every minute. Write an expression that gives the cost of a call that lasts N minutes. (5 marks)

I apple - 2 Rs

8 apples = 2x8

= 16 Rs

Initial charges = Rs 0.5-

Next every min charge = RS0.11 Rs

No. minutes charges = Nx0.1 =0.11N.R

Total charge = (0.50 +0.11N) Rs