You made two deposits to your bank account this month. One deposit was $17.92, and the second deposit was $15.33. Your balance at the end of the month is $72.31, and you made no withdrawals. Write and evaluate an expression for your balance at the beginning of the month.
a. $72.31 + ($17.92 – $15.33); $74.90
b. $72.31 – ($17.92 – $15.33); $69.72
c. $72.31 + $17.92 + $15.33; $105.56
d. $72.31 – $17.92 – $15.33; $39.06
i honestly have no idea...

Question

You made two deposits to your bank account this month. One deposit was $17.92, and the second deposit was $15.33. Your balance at the end of the month is $72.31, and you made no withdrawals. Write and evaluate an expression for your balance at the beginning of the month.  
a. $72.31 + ($17.92 – $15.33); $74.90
b. $72.31 – ($17.92 – $15.33); $69.72
c. $72.31 + $17.92 + $15.33; $105.56
d. $72.31 – $17.92 – $15.33; $39.06
i honestly have no idea...

dape · Answer

D is the right answer. We want to subtract the withdrawals since that money weren't there at the beginning of the month.