Respuesta :
On March 20 he had $87.37 so $87.37-$56.75=$30.62. So between March 15 and March 20 $30.62 was deposited. Since $18.25 was returned to him you would subtract that from $30.62. $30.62-$18.25= $12.37. Therefore, Carlos deposited $12.37 into the account between March 15 and March 20.