Respuesta :
Given:
Camryn practices the trumpet every 11th day.
Camryn practices the flute every 3 th day.
today he practiced both the trumpet and the flute.
solution:
so Camryn practices the trumpet on days 11,22,33 and so on.
palys flute on days 3,6,9,12,15,18,21,24,27,30,33 and so on.
as today he plays both the instruments together ,next time he will play trumpet and flute on 33 rd day.