 Given distance and rate to find how long. At 25 miles an hour, how long will it take an automobile to go 160 miles? 9. Given distance and number of units of time to find rate. In 3.2 hours a man walks 12.32 mi. How far does he walk in one hour? Find the...  The Alexander-Dewey Arithmetic - Page 118by Georgia Alexander - 1921Full view - About this book
 | Wallace Clarke Boyden - Algebra - 1894 - 188 pages
...messenger who travels at the rate of 10 miles an hour is followed, 4 hours later, by another who travels at the rate of 12 miles an hour. How long will it take the second to overtake the first ? 65 . A courier who travels at the rate of 19 miles in 4 hours is... | |
 | William Benjamin Fite - Algebra - 1913 - 304 pages
...passes a station at the rate of 10 miles an hour. Half an hour afterwards another train follows it at the rate of 12 miles an hour. How long will it take the latter to overtake the former ? 12. A train passes a station at the rate of 10 miles an hour and... | |
 | William Benjamin Fite - Algebra - 1913 - 368 pages
...train passes a station at the rate of 10 miles an hour and с hours later another train follows it at the rate of 12 miles an hour. How long will it take the latter to overtake the former ? 13. Solve problem 11 by making use of this result. Is there any... | |
 | Florian Cajori - Arithmetic - 1915 - 328 pages
...of 1 acre? is. If an automobile travels 23 miles an hour, how far will it go in 78 hours? 19. At 27 miles an hour, how long will it take an automobile to go 351 miles? 20. At 57^ a bushel, what is the cost of 125 bushels of potatoes? 21. The President of the... | |
 | Education - 1918 - 772 pages
...will it take to earn 28 dollars at $1.75 a day? 2. Given distance and rate to find how long. At 25 miles an hour, how long will it take an automobile to go 160 miles? 9. Given distance and number of units of time to find rate. In 3.2 hours a man walks 12.32... | |
 | Charles P. Alvord, M. Elsie Davis - Arithmetic - 1919 - 248 pages
...miles? 2. At the rate of 25 miles an hour, how long will it take a freight train to go 1725 miles? 3. At the rate of 12| miles an hour, how long will it take a boat to go 700 miles? 4. A clerk sold $15 worth of goods at $.75 a yard. How many yards did he sell?... | |
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