Answer:
X=49.10
21 miles
Step-by-step explanation:
First, you need to divide 2.10 and the $5 . which will give you 4.2.
this has nothing to do with the problem lol.
I would keep on mulitiplying if i were you.
And, once you hit 21 miles, you will get $44.10 and the $5 which will equal 49.10 :).
