136k views
4 votes
If the cost of an 800 number is $29.95 per month plus 28 cents per minute, then the monthly cost varies directly as the number of minutes.TrueFalse

User Ffff
by
7.8k points

1 Answer

4 votes

We have the monthly cost is fixed: $29.95.

The cost varies directly as the number of minutes since the total cost per month will be:


29.95+(28)/(100)x

If we make a call and spend 30 minutes. We need to add this cost to the payment:


undefined

User Benjamin Ledet
by
7.6k points