A math question that you have to use algebra to solve it!?

jacob,sandra,damian,elisa, aand martin were flying kites. Jacob unfortunely cuold barely get his kite off the ground. Sandra's kite went ten times as high as jacob's did. damian's kite went twice as high as sandra's. elisa's kite flew 4 meters lopwer than damian's. martin's kite flew as high as jacob's and sandra's together. If the kites together flew 709 meters off the ground , how high is each kite?