Question 169335
lets call age of this man A

so (1/6)A+(1/12)A+(1/7)A+5+(1/2)A+4=A------->multiply by lcd 84
:
14A+7A+12A+420+42A+336=84A
:
9A=756
:
{{{highlight(A=84)}}} mans final age-->he didnt start solving math problems til he was 80...lol