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The ages of three siblings now are in the ratio 1:3:5. In 6 years' time, their total age will be 54 years. Find the youngest siblings's age now.

 Nov 3, 2021
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1 x   + 6       + 3x+6     + 5x=6 = 54

 x = 4

 

(1) x  = youngest = 4 y/o

 Nov 3, 2021

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