The following lock needs a correct 4 digit passcode to open.
You have found the following clues throughout the school
10xy is the combination
The sum of twice the third digit and eight times the fourth digit is 44.
The sum of all four digits is seven less than three times the third digit.
What is the correct four digit passcode to open the lock? Just type in the 4 digit passcode. For example, 1234.