5. A mystery number has five digits. Use the clues to identify the mystery
number. (2 pts)
- No two digits are the same.
- The number in the tens place is ten times less than 90.
- The number in the ones place is equal to 50 - 10.
- The number in the thousands place is the sum of 6 and 2
· If you add all the digits, the total is 23
- The number is less than 20,000