David had $46 in his savings account he wants to save $10 per week for the next 4 weeks in order to save up for the new nba 2k game answer the following questions based on the scenario how much money does he have in his bank account after the four weeks show your work he withdraws $20 from his account to buy lunch for the week at school then paid $15.57 for some school supplies that he needed for school how much money does david have left in savings account after the 4 weeks?