Answer:
It takes the second worker 11 hours to do the job alone
Step-by-step explanation:
The problem tells you how to work it.

x = 11 tells you the second worker takes 11 hours to do the job alone.
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You can also work directly with the fractions. Subtract 1/11 and you have ...
1/x = 1/11
It should not be a real stretch to see that x=11. If you need, you can multiply both sides by 11x to get 11=x.
Answer:50.27
Step-by-step explanation:
Is there a picture to find the answer?
Answer:
x /\ y
1 /\ -4
2 /\ -5
3 /\ -6
4 /\ -7
... /\ ...
Step-by-step explanation: