11 = 11*1
3=3*1
least common multiple = 3*11*1 = 33
33 days from today he will practice the guitar and the trombone
A or B. its a 50/50 here. I can't really tell whats on the graph.
Draw the figure out and you will find that AB + BC = AC. Given this, put the equations together to form x+41+x+10=22. Solve to get x=-29/2
