Question 178003
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lets call x the amount of land
:
(1/2)x+(1/3)x+(1/9)x+1=x
:
(9/18)x+(6/18)x+(2/18)x+1=x
:
(17/18)x+1=x
:
(1/18)x=1
:
{{{highlight(x=18)}}}acres