Question 1202875
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2/3 of the time was spent on English homework. 1/2 of the remaining time was spent on Science homework. 
He spent the rest of the 20 minutes on Math homework. How much time did he use to complete his English homework?
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{{{1/3}}} of "time" remained for use after the English homework.

Half of that is  {{{1/6}}}.
{{{1/6}}} of "time" was for Science homework.  The other {{{1/6}}} of time was for Math homework.

{{{(1/6)t=20}}}--------unit of MINUTES


Total study time {{{6*20=highlight_green(120)}}}


The question, how much time on English?

{{{(2/3)120=highlight(80)}}}