Respuesta :
(15 3/4) / (2 1/4) =
(63/4) / (9/4) =
63/4 * 4/9 =
252 / 36 = 7
average rate of speed is 7 miles per hr
(63/4) / (9/4) =
63/4 * 4/9 =
252 / 36 = 7
average rate of speed is 7 miles per hr