21-25 is -4. Is this helpful?
Polygon A,B,C,D,E and polygon L,M,N.O.K
The answer is 69
hope this helps (;
You would have to add 47.50 + 122 to get 169.5 dollars. to get the amount of money he made in the summer, you would have to multiply 169.5 by 2 which would equal 339 dollars. so he made 339 dollars over the summer :)
