A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B?
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LET C = x
THEN B = 2x
THEN A =2x+2
the sum =A +B+C=27 (LET A AND B=X)
=X+X+X=27
=3x=27
=x=27/3
=x=9
THEREFORE C IS 9 YEARS OLD
B=2x=2*9=18
THEREFORE B IS 18 YEARS OLD
C=2x+2=2*9+2=18+2=20
THEREFORE A IS 20 YEARS OLD
THEN B = 2x
THEN A =2x+2
the sum =A +B+C=27 (LET A AND B=X)
=X+X+X=27
=3x=27
=x=27/3
=x=9
THEREFORE C IS 9 YEARS OLD
B=2x=2*9=18
THEREFORE B IS 18 YEARS OLD
C=2x+2=2*9+2=18+2=20
THEREFORE A IS 20 YEARS OLD
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