The average speed is given by the ratio between the distance travelled and the time it took to travel, therefore, Ms. Cartier average speed on monday was
[tex]v_m=\frac{240}{4}=60[/tex]60 miles/h, and, her average speed on tuesday was
[tex]v_t=\frac{174}{3}=58[/tex]58 miles/h.
From those values, we can conclude that Ms. Cartier had a faster average speed on monday by 2 miles/h.
