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" The salt water which was obtained from the bottom of a mine of rock salt contained 0.08 of its weight of pure salt. What weight of salt water was it necessary to evaporate in order to obtain 3896 pounds of salt? 8. A gentleman gave away \ of the books... "
Arithmetical Essentials - Page 295
by J. Andrew Drushel, Margaret Eleanor Noonan, John William Withers - 1921
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The Forum, Volume 34

Lorettus Sutton Metcalf, Walter Hines Page, Joseph Mayer Rice, Frederic Taber Cooper, Arthur Hooley, George Henry Payne, Henry Goddard Leach - History - 1902 - 672 pages
...'What weight of salt water was it necessary to evaporate in order to obtain 3,896 pounds of salt? 3. If a map 10 inches wide and 16 inches long is made ou a scale of 50 miles to the inch, what is the area in square miles that the map represents? 4. If...
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Problems in Arithmetic: Oral and Written : for Supplementary Or Independent ...

Gordon Augustus Southworth - Arithmetic - 1903 - 152 pages
...carpet for a room 24 feet long and 24 feet wide ? No deduction to be made for waste. EIGHTH YEAR 1. If a map 10 inches wide and 16 inches long is made...is the area in square miles that the map represents ? 2. The salt water which was obtained from the bottom of a mine of rock salt contained 0.08 of its...
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Educational Foundations, Volume 18

Education - 1907 - 850 pages
...an hour, how long will it take the train to run from Buffalo to Omaha, a distance of 1,045 miles? & If a map 10 inches wide and 16 inches long is made...was obtained from the bottom of a mine of rock salt contained 0.08 of its weight of pure salt. What weight of salt water was it necessary to evaporate...
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An Exercise Book in Arithmetic, Oral and Written: For Supplementary Or ...

Gordon Augustus Southworth, John Charles Stone - Arithmetic - 1910 - 188 pages
...^ % - What premium do I pay ? 6. If a map 10 in. wide and 16 in. long is made on a scale of 50 mi. to the inch, what is the area in square miles that the map represents ? 7. A woman bought remnants of silk as follows : 5f yd., 4| yd., 6£ yd., and of yd. What did it cost her...
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An Exercise Book in Arithmetic: Oral and Written

Gordon Augustus Southworth, John Charles Stone - Arithmetic - 1910 - 176 pages
...at \%. What premium do I pay ? 6. If a map 10 in. wide and 16 in. long is made on a scale of 50 mi. to the inch, what is the area in square miles that the map represents ? 7. A woman bought remnants of silk as follows: 5|- yd., 4£ yd., 6£ yd., and 5f yd. What did it cost...
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Scientific Management in Education

Joseph Mayer Rice - Teaching - 1912 - 318 pages
...sold them all at the rate of 8 for 5 cents. What per cent did he gain on investment? EIGHTH YEAR. 1. If a map 10 inches wide and 16 inches long is made...the area in square miles that the map represents? 2. The salt water which was obtained from the bottom of a mine of rock salt contained 0.08 of its weight...
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Scientific Management in Education

Joseph Mayer Rice - Teaching - 1912 - 418 pages
...sold them all at the rate of 8 for 5 cents. What per cent did he gain on investment? EIGHTH YEAR. 1. If a map 10 inches wide and 16 inches long is made on a scale of SO miles to the inch, what is the area in square miles that the map represents? 2. The salt water which...
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Teachers' Year Book of Educational Investigations ...

New York (N.Y.). Board of Education. Division of Reference, Research and Statistics - Teaching - 1916 - 64 pages
...the March and June Tests. The problems used were as follows: TABLE i Arithmetic questions of March 1. If a map 10 inches wide and 16 inches long is made on a scale of SO miles to the inch, what is the area in square miles that the map represents? 2. Cream is sold in...
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The Teaching of Arithmetic: A Manual for Teachers

Paul Klapper - Arithmetic - 1916 - 408 pages
...barrel. How much did he make? 5. If a train runs 31f miles an hour, how long will it take the train to run from Buffalo to Omaha, a distance of 1045 miles?...was obtained from the bottom of a mine of rock salt contained .008 of its weight of pure salt. What weight of salt water was it necessary to evaporate...
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The Supervision of Arithmetic

Walter Albert Jessup, Lotus Delta Coffman - Arithmetic - 1916 - 248 pages
...barrel. How much did he make ? 6. If a train runs 315 miles an hour, how long will it take the train to run from Buffalo to Omaha, a distance of 1045 miles?...was obtained from the bottom of a mine of rock salt contained 0.08 of its weight of pure salt. What weight of salt water was it necessary to evaporate...
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