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" EXAMPLES. 1. A schoolmaster being asked how many scholars he had, said, If I had as many more as I now have, half as many, one-third... "
Daboll's Schoolmaster's Assistant, Improved and Enlarged: Being a Plain ... - Σελίδα 199
των Nathan Daboll - 1817 - 240 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

A New System of Mercantile Arithmetic: Adapted to the Commerce of the United ...

Michael Walsh - 1807 - 290 σελίδες
...PKOOF. Add the several parts of the result together, and if it agrees with the given sum, it is right. EXAMPLES. 1. A school-master, being asked how many scholars he had, said, If I had as many, half as many, and one quarter as many more, I should have 204 ; how many had he ? Suppose he had 72...

A New and Complete System of Arithmetick: Composed for the Use of the ...

Nicolas Pike - 1808 - 470 σελίδες
...obvious, it being evident that the refults are tional to the fuppofitionii, fn.v : x :: na : * Thus,. EXAMPLES. 1 . A school-master, being asked how many...he had, said, If I had as many more as I now have, three quarters as many, half as many, one fourth and one eighth as many, I should then have 435 : Of...

Daboll's Schoolmaster's Assistant: Improved and Enlarged. Being a Plain ...

Nathan Daboll - 1818 - 246 σελίδες
...the supposed number : to the. true one required. The method of proof is by substituting the answer'in the question. ' EXAMPLES. 1. A schoolmaster being...said, If I had as many more as I now have, half as iiiany, one-third and one-fourth as many, I should then have 148 : How nxany scholars had he ? Suppose...

Logarithmick Arithmetick: Containing a New and Correct Table of Logarithms ...

1818 - 264 σελίδες
...supposed number : to the true one required. EXAMPLES. 1. A Schoolmaster being asked how many schollars he had, said, if I had as many more as I now have, half as many, and one fourth as many, I should then have 99 ; how many scholars had he ? As 1 10 : 99 : : 40 ; 36...

A New and Complete System of Arithmetick: Composed for the Use of the ...

Nicolas Pike - 1822 - 536 σελίδες
...parts of the sum together, and if it agrees with the sum, it is right. i EXAMPLES. 1. A school master, being asked how many scholars he had, said, If I had as many more as I now have, three quarters as many, halt' as many, one fourth and one eighth as many, I should then have 435 :...

A New and Complete System of Arithmetick: Composed for the Use of the ...

Nicolas Pike - 1822 - 562 σελίδες
...together, and if it agrees with the sum, it is right. EXAMPLES. 1. A school master, being asked bowman? scholars he had, said. If I had as many more as I now have, three quarters as many, half as many, one fourth and one eighth as many, I should then have 435 : Of...

Daboll's Schoolmaster's Assistant, Improved and Enlarged: Eing a Plain ...

Nathan Daboll - 1823 - 262 σελίδες
...so is the supposed number : to the trite one required. Hie method of proof i4 uy substituting tlie answer in the question, EXAMPLES 1. A schoolmaster...now have, half as many, one-third and -one-Fourth as'many, I should' then have 148: How many scholars had he ? Suppose he -had "12 As 37 : 148 : : 12...

The Federal Calculator: Or, A Concise System of Practical Arithmetic

William Slocomb - 1828 - 160 σελίδες
...Proof. Add the several parts of the sum together, and if it agree with the sum, the work is right, EXAMPLES. 1. A Schoolmaster being asked how many scholars...he had, said, if I had as many more as I now have, one half as many, and one fourth as many, I should then have 99:how many had he? Suppose 40 Proof 36...

Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1828 - 286 σελίδες
...of their ages was 93 ; what was the age of each ? Ans. A 12 years, B 18 years, C 63 years old. 103. A schoolmaster, being asked how many scholars he had, said, " If I had as many more as I now have, f as many, £ as many, |- and £ as many, I should then have 435 ;" what was the number of his pupils...

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

Montgomery Robert Bartlett - 1828 - 426 σελίδες
...To the true number required. Thus:— (1) A teacher, on being asked how many pupils he had, replied: If I had as many more as I now have, half as many, and one fourth as many; I should have 99; how many had he'! .Ins. 36. Suppose 40 1 36 As many =40 18...




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