Sandra used her debit card to buy lunch for 8.74 on monday. On Tuesday, she deposited 8.74 back into her account. What is the overall increase or decrease in her bank account.
she takes away 8.47 so then she has t then the next day she adds 8.47 giving her original total. the overall increase and decrease is 0 because on Wednesday she has the same amount that she had on Monday
