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Each piglet in a litter is fed exactly one-half pound of a

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Senior Manager
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Each piglet in a litter is fed exactly one-half pound of a [#permalink] New post 23 Jan 2008, 13:50
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Each piglet in a litter is fed exactly one-half pound of a mixture of oats and barley. The ratio of the amount of barley to that of oats varies from piglet to piglet, but each piglet is fed some of both grains. How many piglets are there in the litter?

1) Piglet A was fed exactly 1/4 of the oats today..
2) Piglet A was fed exactly 1/6 of the barley today.
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Re: DS: piglet [#permalink] New post 23 Jan 2008, 14:46
each individually insufficient, together sufficient.

The number of piglets is 5. If total amount of oat is x, barley - y, then total amount of food = x + y

A consumed 1/4*x + 1/6*y, the number of piglets is (x+y)/(1/4*x + 1/6*y), it's easy to show that the number is greater than 4, less than 6.
Re: DS: piglet   [#permalink] 23 Jan 2008, 14:46
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Each piglet in a litter is fed exactly one-half pound of a

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