Step-by-step explanation: You have to find the total amount of money he subtracted so you add the total amount of money he gave, deposited, or spent. You also have to write the each transaction with the integer. Then the integer would be a negative since you are subtracting the amount of money you have.
Work:
$230+$15+$25 = $270 ~ - $270
-$230, -$15, -$25
Answer: -$230, -$15 -$25 / -$270
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