Answer:
481.92
Step-by-step explanation:
First find the increase
466.98 * 3.2%
466.98 * .032
14.94336
Add this to the original amount
466.98+14.94336
481.92336
Round to 2 decimal places
481.92
You use the substitution method simultaneously. He worked 9h at job A
NO it is not possible when dividing an irregular shape to polygons to overlap. Every polygon would be broken up in piece.