the age of two friend A and B differ by 3 years as father De is twins as old as a and b is twins as old as his sister see the age of cnd differ by 30 years find the age of a and b
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The question is same just refer A as Ani and B as Biju, Father D as Dharam and C as Cathy.
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Step-by-step explanation:
A-B = 3
D= 2*A...........EQ 1
B = 2*C ...........EQ 2
D- C = 20 ..........EQ 3
from eq 1,2 and 3
2*A- B/2 = 30
4 A - B = 60 ........EQ 4
A- B = 3
A = 3+ B
put thw value in eq 4
4* ( 3+B ) - B = 60
12 + 4B -B = 60
12 + 3B = 60
3B = 48
B = 16
A= 6+3 = 19
D = 38
C = 8
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