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25 votes
25 votes
Find positive numbers x and y satisfying the equation xy=20 such that the sum 4x+y is as small as possible.

User Xaelis
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1 Answer

8 votes
8 votes
The answer is 4 and 5.

They are 2 positive numbers that satisfy the equation, (5)(4)=20.

If that doesn’t work try 2 and 10.

Hope this works!! :)
User Shizik
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