Question

Yesterday, Julie’s bank account balance was –$10.28. She deposited some money into her account so that her balance is now $39.89.
How much did she deposit into her account?

A.$50.17

B.$39.00

C.$29.72

D.$10.00

Answer 1

39.89 - ( -10.28 ) 
The reason you subtract is because the key word is depositied

Answer 2

Since we're starting with a negative we're going to disregard the negative sign and add the numbers together: $10.28 + $39.89 = $50.17. :)