Question

I don’t know if I’m doing it right

Answer 1

Answer: You are doing it correctly

Explanation:

We are given that he is able to run
`(9)/(10)` of a mile in 5 minutes. Knowing that his rate is the same throughout, at one minute, he runs 5 times slower than normal, which is
`(1)/(5)` of his speed.

To find his speed in 1 minute, just divide
`(9)/(10)` by 5 (like you did) or multiply it by
`(1)/(5)`. Either way you should get 0.18, or
`(9)/(50)`.

Hope that helped a lot.

:)