Plz
tanya is training a turtle for a turtle race. for every 2/3 of an hour that the turtle is crawling, he can travel 1/20 of a mile. at what unit rate is the turtle crawling?

a) 3/40 of a mile per hour

b) 1/30 of a mile per hour

c) 30 miles per hour

d) 43/60 of a mile per hour