Question 705946

let distance be {{{d}}}, speed {{{s}}}, and time {{{t}}}

{{{d=st}}}...solve for {{{s}}}

{{{s=d/t}}}

so, if it takes {{{t=3 (1/2) h=3.5h}}} to drive {{{d=200mil}}}, your speed in miles per hour

{{{s=200mil/3.5h}}}

{{{s=57.14(mil/h)}}}