Question

it takes in a 1/10 of an hour to run 3/4 of a mile soon as she runs at a constant rate what is her speed in miles per hour

Answer 1

speed = distance / time

Distance = 3/4 miles

Time = 1/10 hours

Replacing:

Speed = 3/4 : 1/10 = 3/4 * 10/1 = 30/4= 15/2 = 7.5 miles per hour