A check register shows a balance of $845.50 before adding a deposit of $152.73 and writing three checks for $682.67, $146.05, and $99.33. The owner of the checking account needs to write two additional checks for $75.81 and $83.62. Compute the amount the account owner must deposit before writing the additional checks.

$89.25

Explanation:

This would be a fairly simple addition and subtraction problem. The initial balance of the register is $845.50, the owner then added a deposit of $152.73 which is added to the initial balance.

$845.50 + $152.73 = $998.23

Next, he wrote three checks which means those values are subtracted from the current balance like so...

$998.23 - $682.67 - $146.05 - $99.33 = $70.18

This leaves the balance at $70.18, the owner wants to add an additional two checks which would leave the balance at...

$70.18 - $75.81 - $83.62 = -$89.25

Meaning he would have to deposit $89.25 before writing the two checks or he would not have enough in the register to support those checks.

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