Question

Question 20 Linda purchased a prepaid phone card for $ 20 . Long distance calls cost 21 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 $ 10.76 , how many minutes did her call last?

Answer 1

Answer: 44 minutes

Explanation:

Calls = 21 cents per minute

Remaining credit after long distance call= $10.76

Total credit used =$20- $10.76

= $9.24

Minutes her call lasted = $ 9.24

$0.21

= 44 minutes.