I got the answer by setting up a little table of 6 and 4 and got 24.
Hope this is helpful. :)
Answer:
$640
Step-by-step explanation:
512/0.2 = 2560 quarters
2560 quarters = 640 US Dollars
Hope this helps !
If it is a straight line, I would think only once. Unless it curves, etc. (hopefully that helps)