X is the short piece
(3•x-1)+x=31
4x=31+1
X=32/4=8
Short piece is 8
Long piece is 3•8-1=23
Check 8+23=31 ✔️
89.6, 48.75, 41.5, 26.57, 22, and 69.3
Is this the full question?
Answer: Look for key words.
Step-by-step explanation:
Example: 15 added and 24.
Added is the key word
24 + 15