will swing dances several times per week.last month he swing danced for a total of 15 hours. the ratio of his hours spent swing dancing to his hours salsa dancing was3:5.how many hours did he spend salsa dancing last month
5/3 X 15=25 hours spent salsa dancing.
25
5/(5+3) X 15=9 3/8 hours=9 hours and about 23 minutes.
