Five members play the flute. there are three times as many members who play the trumpet. there are a few were trombone players then there are trumpets and 11 more drummers and trombone players. there are twice as many members that play the clarinet is members that play the flute. there are four if your tuba players in there are trombone players, but three more members play the french horn than play the trombone. the band director, his assistant, and six pair volunteers are also going. how many seats are needed on the bus?