The answer would be D. This is because in order to get W you would have to multiply 24 by the age (X) and add 8
Add 13 to both sides
13 = 2x + 15x
Simplify right side
13 = 17x
Divide through by 17
13/17 = x
You move the decimal to the left three places, so it is 10³
2.5 * 10³
Hope this helped :)
$8250 - $3120 = $5130
$5130/75 = $68.40
Each band member must raise $68.40