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" ... miles an hour, how far apart will they be at the end of 1 hour ? At the end of 2 hours ? 4 hours ? 10 hours ? Why ? 4. "
Stoddard's American Intellectual Arithmetic - Page 33
by John Fair Stoddard - 1860 - 171 pages
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First Lessons in Arithmetic: On the Plan of Pestalozzi, with Some Improvements

Warren Colburn - Arithmetic - 1825 - 144 pages
...hours ? how far at the end of 3 hours ? how far at the end of 7 hours ? 101. Two men start from the same place, and travel the same way ; one at the rate of 4| miles in an hour, the other at the rate of 4-f miles in an hour ; how far will they be apart at...
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Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

Warren Colburn - Mental arithmetic - 1828 - 190 pages
...place and travel different ways ; one travels two miles in an hour ; the other travels three miles in an hour ; how far apart will they be at the end of one hour ? How fur at the end of two hours ? How far at the end of three hours 1 How far at the end...
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Mental Arithmetic Upon the Inductive Plan: For Beginners

Benjamin Greenleaf - Mental arithmetic - 1846 - 92 pages
...Lowell, and travel the same way ; A travels at the rate of 4 miles an hour, and В at the rate of 9 miles an hour ; how far apart will they be at the end of one hour ? How far at the end of 2 hours? 4 hours? 6 hours? 7 'hours ? 10. Six less two are how many?...
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Intellectual Arithmetic, Upon the Inductive Method of Instruction

Warren Colburn - Arithmetic - 1847 - 170 pages
...2hojrs 1 how far at the end of 3 hours 1 how far at the end of 7 hours 1 101. Two men start from the same place, and travel the same way ; one at the rate of 4| miles in an hour, the other at the rate of 4f miles in an hour ; how far will they be apart at the...
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Primary Arithmetic, Or, Mental Operations in Numbers: Being an Introduction ...

Daniel Adams - Arithmetic - 1848 - 194 pages
...travel in opposite directions, one at the rate of five miles an hour, the other at the rate of four miles an hour ; how far apart will they be at the end of one hour ? — of seven hours ? — of twelve hours ? 21. Five times nine, and how many more make fifty...
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The Child's First Book in Arithmetic

Nelson M. Holbrook - Arithmetic - 1849 - 116 pages
...the end of 1 hour ? At the end of 2 hours ? 4 hours ? 10 hours ? Why ? 4. If two men start from the same place, and travel the same way, one at the rate of 3 miles an hour, and the other at the rate of 5 miles an hour, how far apart will they be at the end of 1 hour...
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Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

Warren Colburn - Mental arithmetic - 1849 - 172 pages
...2 hours? how far at the end of 3 hours? how far at the end of 7 hours ? 101. Two men start from the same place, and travel the same way ; one at the rate of 4 j miles in an hour, the other at the rate of 4-f miles in an hour ; jhnw far will they be apart at...
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Intellectual Arithmetic: Upon the Inductive Method of Instruction

Warren Colburn - Arithmetic - 1849 - 166 pages
...hours ? How far at the end of 3 hours ? How far at the end of 7 hours ? 101. Two men start from the same place, and travel the same way ; one at the rate of 4| miles in an hour, the other at the rate of 4f miles in an hour ; how far will they be apart at the...
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An Intellectual and Practical Arithmetic: Or, First Lessons in Arithmetical ...

James L. Enos - Mental arithmetic - 1851 - 144 pages
...oz. of meat in 1 day. how much will he consume in a week ? in 4 weeks ? 95. If 2 men start from the same place, and travel the same way, one at the rate of 3-f- miles in an hour, and the other at the rate of 4y miles in an hour, how far will they be apart...
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An Intellectual and Practical Arithmetic: Or, First Lessons in Arithmetical ...

James L. Enos - Mental arithmetic - 1851 - 156 pages
...same place and travel different ways ; one at the rate of 3 miles in an hour, and the other 5 miles in an hour ; how far apart will they be at the end of the first hour ? How far at the end of 2 hours ? 4 hours ? 5 hours ? 8 hours ? 9 hours ? 75. A boy...
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