Question 697045
P+D=40 
3(P+2)=(D+2)
3P+6=D+2
3P-D=2-6
3P-D=-4
P+D=40 ADD.
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4P=36
P=36/4
P=9 AGE OF PETER NOW.
9+D=40
D=40-9
D=31 AGE OF DAD NOW..
PROOF:
3(9+2)=31+2
3*11=33
33=33