Linda purchased a prepaid phone card for $30. Long distance calls cost 17 cents a minute using this card. Linda used her card only once to make a long distance
call. If the remaining credit on her card is $26.09, how many minutes did her call last?

23 minutes

Step-by-step explanation:

First, take away $26.09 from $30. This will show you how much was spent on the call. You should get $3.91.

Next, it may be easier to convert this total all to cents. So 100 cents in every dollar...100 cents times 3 = 300 cents. Then add the other 91 cents to get a total of 391 cents.

Then, you need to divide 391 cents by 17 to get the minutes. And you'll get 23 minutes!

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