Answer:
40cm
Step-by-step explanation:
b = length of 2nd wood segment cut/cm
l = length of whole whole wooden piece/cm
So;
2:3:5
2/3(b):b:5/3(b)
5/3(b) = b + 8
5b = 3b + 24
2b = 24
b = 12
l = 2/3(b) + b + 5/3(b)
l = 2/3(12) + 12 + 5/3(12)
l = 8 + 12 + 20
l = 40cm
