THESE ARE THE ANSWERS TO QUESTIONS 10 AND 11!
10. 152-20+80= 212
She had 152 dollars but then she took away 20 dollars and but back 80 dollars which leaves her with 212 dollars.
11. Green: 8.00+6.00=14.00
15.00-14.00= =+1.00 profit
White: 10.00+7.00= 17.00
20.00- 17.00= +3.00 profit
Black: 8.00+ 4.00+ 3.00= 15.00
18.00-15.00= = +3.00 profit