Answer:3028
Step-by-step explanation:
Answer:
20 days
t = time required by one worker to complete the job alone
(t+8) = time required by the other worker
So:
7.5/ t + 7.5/ (t + 8) = 1
Solve for t.
...
t = 12 days, the first guy working alone
The other worker would finish the job in 20 days.
We can rule out the negative length.
Answer: b=4, h=18
8
24 divided by 3= 8
8x3=24 ft
