So far this month Nancy has the expenses and income shown in the chart Nancy wants to buy some music online but also have a balanced budget based on Nancy's current budget what is the greatest amount of money she can spend on music

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.