Answer:
boxes, 3,4,7,9,10,11 and 13 are the ones to be shaded.
hope this helps (:
Set up a proportion
42.50/5=x/8
5x=340
x=68
He would earn $68
The answer to your question is -304
It'll be the opposite reciprocal in front of the X like instead of 3 it will be -1/3 so flip it and change the sign