Respuesta :

Answer:

27.69 miles/hour

Step-by-step explanation:

Given that,

Distance covered by Mary = 45 1/2 = 45.5 miles

Time, t = 1.625  hour

We need to find how far will she ride in one hour.

Let it is x.

1.625  hour = 45.5 miles

1 hour  [tex]\dfrac{45}{1.625}\\\\=27.69\ \text{miles/hour}[/tex]

So, she will ride at the rate of 27.69 miles/hour.