A high school football team received brand new jerseys for this season, and it took the head coach a while to get used to his players wearing different numbers. His four running backs - White, Smith, Davis, and Unser - wore (in no particular order) jersey numbers 21, 34, 25, and 23.
Based on the clues that follow, determine which running back wears which number jersey. Good luck!
Clue 1 = The two digits that make up Unser's jersey number do NOT add up to 7.
Clue 2 = Only ONE back's jersey number... READ ON