Answer:
378$
Step-by-step explanation:
You should add -77 to 77 because it will cancel out.
I think the perimeter is 64. If you divided the 4 sides of the window by 256, you get 64. Sorry if it's not right. I hope it is. c;
18·0.05= 0.9
0.9+18= 18.90
Even will earn $18.90 dollars an hour.