690
670 min ÷ 60 min/hr = 11 10/60 11:10
1 hr = 60 minutes 1.5 hr = 90 minutes
120 minutes.
(150 hr)*(60 min/hr) = 9000 minutes
300min.
110 minutes
6 minutes = 0.1 hour
135
1 hr 15 minutes
2 hr = 120 minutesSo, 120 + 2 = 122 total minutes
approximately 5.5 miles/hour ============= Solution Method: ----------------- There are 60 minutes in 1 hour. We often say there are 60 minutes per hour. We express this relationship mathematically as: 60 min/hr To convert miles/min to miles/hr, do the following: 1 mile/11 min * 60 min/1 hr = 60 / 11 = ~5.45 miles/hr (average speed) * Note: minutes cancel in the numerator & denominator). ----------------- Original answer: 60/11 = 5.45 recurring (that is, 5.45454...) miles per hour. Therefore, running a mile in 11 minutes corresponds to 5.45 recurring miles per hour.
15 hours = 900 minutes.