Question 30513
d = r x t is the equation for all three
for Art, r = 2 mi/hr
{{{d[A] = 2* t}}}
for Sue, r = 2 mi/hr + 1 mi/hr = 3 mi/hr
{{{d[S] = 3* t}}}
for Trudy, r = 3 mi/hr + 1.5 mi/hr = 4.5 mi/hr
{{{d[T] = 4.5* t}}}