Question 1160057
Does "Bubba did not pay attention", have some effect on his rate or the combined rate of both he and Sue?  If no, then this piece of information is not important to the problem description.



Their combined rate:
{{{1/3+1/5}}} {{{alltheproblems/hours}}}

{{{5/15+3/15}}}

{{{8/15}}}

-

How many hours for all the problems,
{{{15/8}}}

{{{highlight(1&7/8)}}}{{{hours}}}

1 hour 53 minutes