Question 4016
first get rid of the fractions by multiplying every term by 6:


{{{y/2 + y/6 = 20 }}}
{{{6y/2 + 6y/6 = 120 }}}. we can now simplify those 2 terms on the left:


{{{3y + y = 120 }}}
4y = 120
so y=120/4


--> y=30


jon