Question 485654
If Cathy ran for {{{30 min=0.5h}}} at a rate of {{{5.5 mi/h}}}, she will run  {{{5.5 (mi/h)*0.5h=5.5*0.5mi=2.75mi}}}


Then she ran for {{{15 min=0.25h}}} at a rate of {{{6 mi/h}}},she will run  {{{(6 mi/h)0.25h=6*0.25mi=1.5mi}}}


Then the {{{total}}} amount of miles she ran was {{{2.75mi+1.5mi=4.25mi}}} in all.