It would be
15/4 < 4.3 < 43/8 < 5.5 < 61/6
Directly proportional or positively correlated
The answer would be $42.4. $50 minus $10 is $40. Multiply that by 106% because of tax, and you get $42.4.
Hope this helped! :)
I dont know if we have the same assesmemt or not tue anwser would be option D