1/(2x
4)
1/(2x- 16)= 1/24
12(x-8)
12(x
2)=(x
2)(x-8)
x^2
2x-8x- 16- 12x
96- 12x-24=0
x^2-30x
56=0
X 1=2 (omitted), x2=28.
Party A and Party B can finish it within the specified time.
(2) A alone needs 2×28.
4=60 days, and B alone is 2×28- 16=40 days.
( 1-5/6)÷(28-24×5/6)
= 1/6÷8= 1/48
∫ 1/60 & lt; 1/48< 1/40
Only by transferring Group A can it be completed on time.