First we need to set up an equation.
Let's call "x" the number of cars he sells.
Since he makes $1,445.74 right of the bat, it will be added in. Then, 108.68 times the number of cars he sells.
[tex]6010.3=1445.74+108.68x\\\\4564.56=108.68x\\\\42=x[/tex]
He sold 42 Cars.