Question

Yolanda purchased a prepaid phone card for $25 . Long distance calls cost 23 cents a minute using this card. Yolanda used her card only once to make a long distance call. If the remaining credit on her card is $22.24 , how many minutes did her call last?

Answer 1

for 12 minutes because 23 x 12 is 2.76 and 25 minus 22.24 is 2.76