Carlos deposited \( \$ 28.50 \) into his bank account after making a \( \$ 20.00 \) withdrawal to pay for some school supplies. Represent these situations as signed numbers (integers). \( \begin{array}{l}28.50 \text { and } 20.00 \\ -28.50 \text { and }-20.00 \\ 28.50 \text { and }-20.00 \\ -28.50 \text { and } 20.00\end{array} \)
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To represent Carlos's banking activities using signed numbers, we can assign positive and negative signs to the transactions. The deposit of \( \$ 28.50 \) adds money to his account and is represented as \( +28.50 \). The withdrawal of \( \$ 20.00 \) takes money out of his account, so it's represented as \( -20.00 \). Therefore, the correct representation of these transactions in signed numbers is \( 28.50 \) and \( -20.00 \). When you think about managing money, it's important to keep track of your deposits and withdrawals like a pro! It's almost like a mini-game of balancing your budget. Remember, every time you deposit, it's a win (+), and every time you withdraw, well, that’s a bit of a loss (-). Keep a score that will help you stay on top of your financial game!
