The first minute is x and it costs y every extra minute. How long was the call? Help please. x and y actually have numbers.
Paul calls long distance to his friend Mike in Germany. The first minute of the call costs 3.75 $, and each additional minute costs 5 cents. The total cost of the call is 11.45 $. For how many minutes did the phone call between Paul and Mike last ?
Paul calls long distance to his friend Mike in Germany. The first minute of the call costs 3.75 $, and each additional minute costs 5 cents. The total cost of the call is 11.45 $. For how many minutes did the phone call between Paul and Mike last ?
1 Answer
May 11, 2018
Call was for
Explanation:
Let the call be for
As first minute is
total cost is
=
=
As total cost of call was
or
or
or
Hence call was for