Jina purchased a prepaid phone card for $30 . long distance calls cost 22 cents a minute using this card. jina used her card only once to make a long distance call. if the remaining credit on her card is $25.82 , how many minutes did her call last?

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?