Question 311484
Fifty chickens can lay 1,000 eggs in 30 days. At the same rate, how long would
it take 25 chickens to lay 500 eggs? 
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The hard way:
Fifty chickens can lay 1,000 eggs in 30 days --> 20 eggs/chicken in 30 days
--> 2/3 egg/chicken per day.
For 25 chickens = 50/3 eggs/day
500/(50/3) = 30 days, the same.
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The easy way:
30 days (25/50) * (1000/500) = 30 days