Question

Debra purchased a prepaid phone card for $25 . long distance calls cost 11 cents a minute using this card. debra used her card only once to make a long distance call. if the remaining credit on her card is $23.35 , how many minutes did her call last?

Answer 1

Amount used = $25 - $23.35 = $1.65

Number of minutes used = $1.65 ÷ $0.11 = 15 mins

Answer: 15 mins