SOLUTION: Find three consecutive largest positive integers such that the sum of one third of first ,one fourth of secondand one fifth of third is atmost 20.

Question 973592: Find three consecutive largest positive integers such that the sum of one third of first ,one fourth of secondand one fifth of third is atmost 20.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find three consecutive largest positive integers such that the sum of one third of first ,one fourth of second and one fifth of third is at most 20.
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1st: x-1
2nd: x
3rd: x+1
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Equation::
(1/3)(x-1) + (1/4)x + (1/5)(x+1) <= 20
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Multiply thru by 60 to get:
20x-20 + 15x + 12x + 12 <= 20
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47x <= 28
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x <= 28/47
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Comment:: x-1 cannot be a positive integer.
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Please check the problem statement.
Cheers,
Stan H.
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