If i walk 4 miles an hour how long will it take to walk 1 mile

Set up a ratio.

x= portion of 1 hour

4 miles/1 hour= 1 mile/ x hour
cross multiply
4 * x= 1 * 1
4x= 1
divide both sides by 4
x= 1/4 of an hour

To find number of minutes:

1 hour= 60 minutes

=1/4 of an hour * 60 minutes
=60/4
=15 minutes

ANSWER: It would take 1/4 of one hour ( or 15 minutes) to walk 1 mile.

Hope this helps! :)

The answer is 109 times per second