Question

A 5 minute overseas call costs $5.91 and a 10 minute call costs $10.86. The cost of the call and the length of the call are related. What is the cost, c, of a call in minutes duration?

Answer 1

For one minute it costs $1.18 so you would just multiply $1.18 by any number to find out how much money is spent for minuets,

Explanation: