Mario walked at a rate of 2/3 mile every 10 minutes. ​ ​What was his walking rate in miles per hour?

Answer 1

2/3 miles per every 10 minutes

2/3 per 1/6 hour

(2/3)/(1/6) = (2/3)(6)= 4 miles per hour = 4 mph

1 hour = 6 ten minute periods

6 x 2/3 = (6)(2)/3 = 12/3 = 4 miles in one hour