B is 2 years elder than a but twice as old as
c. If their average age 15 years, find the present age of
b.
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Step-by-step explanation:
According to question,
B=A+2
B=2C
Therefore, A+2=2C
THUS, A=2C-2
A+B+C/3=15
Put the values and solve, you'll get the answer
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