Question

Donna purchased a prepaid phone card for $15. Long distance calls cost 8 cents a minute using this card. Donna used her card only once to make a long distance call. If the remaining credit on her card is $11.08, how many minutes did her call last?​

Answer 1

49 mins

Explanation:

11.08=15-0.08x

11.08-15=-0.08x

-3.92=-0.08x

x=49