Question 730470
{{{ 3}}} and a half hours is {{{t=3.5h}}} at {{{v=45mph}}}

 equal to distance {{{d=157.5 miles}}}

as you know the distance is {{{d=v*t}}}

plug in given values

{{{d=45(mil/h)*3.5h}}}

{{{d=45*3.5(mil/cross(h))*cross(h)}}}

{{{d=157.5mil}}}