Answer:
40,000 workers
Step-by-step explanation:
This question deals with simple rates proportion.
If it takes 20 years for X workers to complete a job,
if we double the amount of workers, we will take half the time.
hence to halve the time from 20 years to 10 years, we will need to double the amount of workers.
In this case we will need 20,000 workers x 2 = 40,000 workers
Answer:
the third one
Step-by-step explanation: hope this helps <3 :)
Answer:
two green balls
Step-by-step explanation:
because of many reasons boy
Answer:

The file includes the input of your equation, comment if the equation you input is a mistake.
Your number is 0, 4x6=24 and six less than six is 0