Question 179906
(x/10)*10% + (x/4)*5% + (x/3)*6% + (2x/30) = 5400 

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Modify:
(x/10)*(10/100) + (x/4)*(5/100) + (x/3)*(6/100) + (2x/30) = 5400 

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Reduce where you can:

(x/100) + (x/80) + (x/50) + (x/15) = 5400

Multiply thru by 1200 to get:

12x + 15x + 24x + 80x = 1200*5400

131x = 1200*5400
x = 49465.65...
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Cheers,
Stan H.