SOLUTION: Three workers can build 8 chairs in 4 hours. How many workers are needed to build 16 chairs in 2 hours?

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Question 971654: Three workers can build 8 chairs in 4 hours. How many workers are needed to build 16 chairs in 2 hours?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Proportion question.
3 workers can build 4 chairs in 2 hours
3:4 as x:16
4x=48
x=12 workers
Another way is to look at double the chairs in half the time, which is a 4 fold increase in productivity.That occurs with 4 times the workers.