Average age of Aand B is is 24 and average of B ,C,D is is 32 fint the total age of A,B,C,D
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Step-by-step explanation:
A+B = 2*24 = 48.
B+C = 2*20 = 40
A+C = 2*22 = 44
2A+2B+2C = 48+40+44 = 132, or
A+B+C = 66
Hence A = 26, B = 22 and C = 18 years
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