SOLUTION: 9 hens can lay 9eggs in 9 days. How many eggs can lay by 3 hens in 3 days?

Question 1059380: 9 hens can lay 9eggs in 9 days. How many eggs can lay by 3 hens in 3 days?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Constant Rate Rule; not yet known is the lay rate for 1 hen. Let this rate be r.

Rate unit should be . Each hen lays eggs at the same rate.

------system is the transcription of first sentence, and second sentence; x is the unknown number of eggs.

--------------That's all. Just one single egg.

If this were practical, some averaging would need to be happening.
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