Αναζήτηση Εικόνες Χάρτες Play YouTube Ειδήσεις Gmail Drive Περισσότερα »
Είσοδος
 Βιβλία Βιβλία
How many days did he work, and how many days was he idle ? Let x = the number of days he worked.
An Introduction to Algebra: Upon the Inductive Method of Instruction - Σελίδα 35
των Warren Colburn - 1837 - 276 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

## United States Calculator: Or, Arithmetic Simplified

John M'Nevin - 1841 - 280 σελίδες
...day he wa.s at work he should receive 75 cents, at the expiration of the time, he received \$25; now, how many days did he work, and how many days was he idle? Ans. he worked 52 days, arid was idle 28. 5. Two persons, A. and B. have the same income, A. saves...

## The National Arithmetic ...: Combining the Analytic and Synthetic Methods ...

Benjamin Greenleaf - 1841 - 314 σελίδες
...every day he was absent he should forfeit 80 cents. At the eXpiration of the term he received \$33. How many days did he work, and how many days was he idle ? Ans. He labored 75 days, and was idle 15 days. The following question, with some variations, in the...

## Practical and Mental Arithmetic on a New Plan: In which Mental Arithmetic is ...

Roswell Chamberlain Smith - 1841 - 284 σελίδες
...every day he wrought he should receive 75 cents ; ,at the expiration of the time, he received \$25; now, how many days did he work, and how many days was he idle ? A. He worked 52 days, and was idle 28 B MISCELLANEOUS EXAMPLES. ), There is a room, one side of which...

## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - 1842 - 306 σελίδες
...day, and to forfeit 50 cents for every day he should be idle during that time. He received S25 : now how many days did he work, and how many days was he idle 1 A. 52 days ; idle 28. MENSURATION. CXI. 1. MENSURATION is the measuring of Surfaces and Solids. OF...

## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - 1843 - 306 σελίδες
...day, and to forfeit 50 cents for every day he should be idle during that time. He received \$25 : now how many days did he work, and how many days was he idle ? A. 52 days; idle 28. MENSURATION/ CXI. 1. MENSURATION is the measuring of Surfaces and Solids. OF...

## An Introduction to Algebra: Upon the Inductive Method of Instruction

Warren Colburn - 1844 - 276 σελίδες
...will always be found true. Therefore, when any of the quantities to be subtracted have the sign — before them, they must be changed to -J- in subtracting,...idle? Let x = the number of days he worked. Then 20 — £ = the number of days he was idle. x days, at 7s. a day, would come to 7 a; shillings. 20 —...

## A manual of arithmetic

...for every day he was idle he should forfeit lOd. ; at the end of 300 days he received 10 guineas ; how many days did he work, and how many days was he idle? Ans. He worked 184 days, and was idle 116 days. 3. A person has two silver cups of unequal weight,...

## The Teachers' Assistant: Or, A System of Practical Arithmetic ...

1845 - 198 σελίδες
...wrought, and should forfeit 10 cents for every day he was idle ; at settlement he received 5 dollars. How many days did he work, and how many days was he idle ? Ans. Wrought 30 days, idle 10. 7. A father dying, left to his three sons A, B, and C his estate in...

## Ray's Algebra, Part First: On the Analytic and Inductive Methods of ...

Joseph Ray - 1848 - 240 σελίδες
...was idle, he paid 20 cents for his boarding. At the expiration of the time, he received 3 dollars; how many days did he work, and how many days was he idle ? Let x= the number of days he worked. Then 30 — x= the number of days he was idle. Also 25x= wages due for work. And 20(30 — X)= the amount...

## Ray's Algebra, Part First: On the Analytic and Inductive Methods of ...

Joseph Ray - 1848 - 240 σελίδες
...was idle, he paid 20 cents for his boarding. At the expiration of the time, he received 3 dollars ; how many days did he work, and how many days was he idle ? Let £= the number of days he worked. Then 30— x= the number of days he was idle. Also 25z= wages due...