They have "x" in total, now, "x" is the 100%, and we know 28100 is the 31.3%, so.. what's "x"?
well

solve for "x"
Answer:
1st blank: 1
2nd blank: -3
Step-by-step explanation:

1 - 2 / 4 - 5
-1/-1
slope = 1
1 = 4 + b
-3 = b
2 = 5 + b
-3 = b
hope this helps :)
Answer:
$20.2
Step-by-step explanation: