<PRE><B>Question 481597</B>
{{{x+x/3+2x/3+x+x/3=150}}}



{{{3x/3+x/3+2x/3+3x/3+x/3=150}}}



{{{(3x+x+2x+3x+x)/3=150}}}



{{{(10x)/3=150}}}



{{{10x=150*3}}}



{{{10x=450}}}



{{{x=450/10}}}



{{{x=45}}}</PRE>