---------------------------------- Find 1 min : ---------------------------------- 1 min = 2/15 ÷ 20
1 min = 2/15 x 1/20
1 min = 1/150 miles
---------------------------------- Find 60 min : ---------------------------------- 60 mins = 1/150 x 60
60 mins = 2/5 miles
-------------------------------------------------------------------- Answer: 2/5 miles can be paved in 1 hour. --------------------------------------------------------------------