Ask Question
5 January, 14:16

Martina purchased a prepaid phone card for $20. long distance calls cost 13 cents a minute using this card. Martina used her card only once to make a long distance call. If the remaining credit on her card is 17.92, how many minutes did her call last?

+5
Answers (2)
  1. 5 January, 14:28
    0
    The call lasted 16 mins, i used trial and error and the came across 16x. 13=2.08 and then you add 17.92 plus 2.08 and that gives you 20
  2. 5 January, 14:46
    0
    Phone card = $20

    You need to minus 17.92 from 20 = $2.08

    $2.08 / 0.13 = how many minutes

    = 16
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Martina purchased a prepaid phone card for $20. long distance calls cost 13 cents a minute using this card. Martina used her card only once ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers