3 answers
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The total withdrawals from the account were 4 x $40 = $160.
The total amount spent using the check card was $156.
The total amount deposited was $375.
So, the net change in the amount in the bank account during the week was $375 - ($160 + $156) = $375 - $316 = $59.
Therefore, the amount in Sheila's bank account changed by $59 during the week.