11 miles in 1/4 hour 1/4 of an hour is 15 minutes so 11 in 15 minutes x /60 = 11/15 cross multiply x*15 = 60 * 11 15x = 660 divide both sides by 15 x = 44
the unit rate of the hikers in miles per hour is 44 mph.
You can also solve like this 1/4 of hour is 15 minutes to get to the whole hour you would multiply by four so you'd (11miles in 1/4 hour) * 4 44 miles in 1 hour