Question 1169137
{{{1/4+1/j=1/(2&1/3)}}}, but the question should ask how many hours Jayson would need if working alone.


{{{1/4+1/j=3/7}}}

{{{28j(1/4+1/j)=(3/7)28j}}}

{{{7j+28=12j}}}

{{{5j=28}}}

{{{highlight(j=5&3/5)}}}