Puzzles and logic › Number puzzles › Changing digits and numbers
Inserting a zero into a two-digit number
Middle school · ●○○○○ 10 pts
Anička and Blanka each wrote a two-digit number starting with a seven, and the two girls chose different numbers. Each inserted a zero between the two digits, creating a three-digit number. From this three-digit number, each subtracted their original two-digit number. Both girls got the same result. What was this result?