From the meaning of the question?
1/3*x + (24-x)*40%=8.6
( 1/3 -2/5)*x =8.6-9.6
(5-6)/ 15 *x=- 1
X= 15 (m)
The second section is 24m- 15m = 9m.
A:? The length of the first rope is15m, and the length of the second rope is 9m.