Respuesta :
David's rowing speed is
[tex]6-x[/tex]
but since he is rowing against a current of 2 mph, the equation becomes
[tex](6-x)-2=4-x[/tex]
[tex]6-x[/tex]
but since he is rowing against a current of 2 mph, the equation becomes
[tex](6-x)-2=4-x[/tex]