Question

ABC Telephone has a special long distance telephone rate. The first 10 minutes of a call cost $0.15 per minute. Each additional minute is only $0.05 a minute. How much would a 35-minute call cost?

Answer 1

First you're going to subtract 35-10 to get 25, which you then have to calculate how many minutes you have left.
The amount you currently owe is `10(0.15)`, which will give you `1.5`. So you currently owe `$1.5` for calling 10 minutes.

Next, we have to figure out how much the remaining 25 minutes cost you. That is `25(0.05)`. The answer to that is `$1.25`.

Now, add up `$1.5 + $1.25` and you will get your answer, which is `$2.75`!

A 35-minute call would cost `$2.75`.