Question 1072396
{{{system(102*x=d,34*y=d)}}}


Total time,{{{x+y=d/102+d/34}}}

Total distance, {{{2d}}}


Average rate of the whole journey,  {{{(2d)/(d/102+d/34)}}}

{{{2/(1/102+1/34)}}}


{{{2/(1/102+3/102)}}}


{{{2/(4/102)}}}


{{{1/(2/102)}}}


{{{highlight(51)}}}