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" If 7 men can reap 84 acres of wheat in 12 days, how many men can reap 100 acres in 5 days ? 40. If 7 men can build 36 rods of wall in 3 days, how many rods can 20 men build in 14 days ? , 41. "
Arithmetic Made Easy to Children: Being a Collection of Useful and Familiar ... - Σελίδα 111
των Emmor Kimber - 1805 - 132 σελίδες
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Arithmetic: In Two Parts: Containing. A system of the art in memorial verses ...

Solomon Lowe - 1749 - 336 σελίδες
...3500 bu/hels. 20. If 15 s Pay 5 men, for 6 days ; Hgw much will pay 20 men for 10 days?——? /. 21. If 7 men can Reap 84 acres of wheat in 12 days ; How many men can reap 100 acres, in 5 days? 20 men. 22. How many reapers will cut-down 7 acres of wheat in 4...

The accomptant's oracle; or, key to science, a treatise of common arithmetic

Wardhaugh Thompson - 1771 - 324 σελίδες
...will be fufficient for 7 men, 14 days : how much bread will ferve 21 men 3 days ? Anfwer j6/A. yth If 7 men can reap 84 acres of wheat in 12 days, how many men will reap 100 acres in 5 days ? Anfuier 20 men. 6th .An ufurer put out 156 pounds, to receive intereft...

Arithmetic: Being a Sequel to First Lessons in Arithmetic

Warren Colburn - 1824 - 292 σελίδες
...was 19s. per quarter; how much must I pay to indemnify the lender when the price is 17s. 4d. ? 39. If 7 men can reap 84 acres of wheat in 12 days, how many men can reap 100 acres in 5 days? 40. If 7 men can build 36 rods of wall in 3 days, how many rods can...

The American Tutor's Assistant Revised, Or, A Compendious System of ...

Zachariah Jess - 1824 - 224 σελίδες
...the first ; then work as in direct proportion. Note. See the note in direct proportion. EXAMPLES. 1 If 7 men can reap 84 acres of wheat in 12 days ; how many men can reap 100 acres in 5 days ? If 84.-J. ) _ C 100.0. tfd. 5 m* £ gd. Inverse term. 5 12 420 *h!|0)8...

The American Tutor's Assistant Revised: Or, A Compendious System of ...

Zachariah Jess - 1824 - 228 σελίδες
...the first ; then work as in direct proportion. Note. See the note in direct proportion. EXAMPLES. 1 If 7 men can reap 84 acres of wheat in 12 days ; ho\v many men can reap 100 acres in 5 days ? If 84^.? _ C100.4. tfd. 5 7m' I /<?• Inverse term....

Arithmetic Upon the Inductive Method of Instruction: Being a Sequel to ...

Warren Colburn - 1826 - 264 σελίδες
...was 19s. per quarter ; how much must I pay to indemnify the lender when the price is 17s. 4d. ? 39. If 7 men can reap 84 acres of wheat in 12 days, how many men can reap 100 acres in 5 days ? 40. If 7 men can build 36 rods of wall in 3 days, how many rods...

The Common School Manual: A Regular and Connected Course of Elementary ...

Montgomery Robert Bartlett - 1827 - 274 σελίδες
...75 for 8 months, and received $79, what was the rate per cent, per annum? Ans. 8 per. cent. 23. B's. 7 men can reap 84 acres of wheat in 12 days; how many can reap 100 acres in 5 days at the same rate? Ans. 20. 24. C. borrowed 185 quarters of corn when the price was ! 9s. how much must...

The American Tutor's Assistant, Improved: Or, A Compendious System of ...

Zachariah Jess - 1827 - 226 σελίδες
...; theu work as in Direct Proportion^ Note. See the Note in Direct Proportion. » - • EXAMILES. 1. If 7 men can reap 84 acres of wheat in 12 days ; how many men can reap 100 acres iu 5 days ? If?lA- * 7m. " 5102A 12 d. S С 5 d. Inverse term. JL _î! 420 1200...

Arithmetic Upon the Inductive Method of Instruction ...: Stereotyped at the ...

Warren Colburn - 1829 - 258 σελίδες
...was 19s. per quarter ; how much must I pay to indemnify the lender when the price is 17s. 4d. ? 39. If 7 men can reap 84 acres of wheat in 12 days, how many men can reap 100 acres in 5 days ? 40. If 7 men can build 36 rods of wall in 3 days, how :nany rods...

A Treatise on Arithmetic: Designed Particularly as a Text for Classes in ...

Frederick Augustus Porter Barnard - 1830 - 308 σελίδες
...men. 16. If 56 Ib. of bread will last 7 men, 14 days, how much will last 3 men, 21 days ? Ans. 36. 17. If 7 men can reap 84 acres of wheat in 12 days, how many men can reap 100 acres in 5 days ? Ans, 20 men. 18. If a family of 9 persons spend $305 in 4 months,...




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