Acomputer repairman charges $30 to come to a home or office , plus $22 per hour of work. during one week, he visits 15 homes or offices earning $1132 .how many hours did the repairman work ?

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?