A deposit adds to the amount of a checking account. So a deposit of $120.75 is + 120.75. A withdraw subtracts from the amount of a checking account. So a withdraw of $185.90 is - 185.90.
If the original amount is $425.82, you would simply add the amount of the deposit then subtract the amount of the withdraw.
425.82 + 120.75 - 185.90 = 360.67
So the amount in Christian's checking account after <span>a deposit if $120.75 and withdrawal of $185.90 is $360.67.
