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" A and B have the same income; A saves £ of his ; but B, by spending $ 30... "
An Introduction to Algebra Upon the Inductive Method of Instruction - Σελίδα 44
των Warren Colburn - 1829 - 276 σελίδες
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The North American Arithmetic: For Advanced Scholars. part third

Frederick Emerson - 1839 - 300 σελίδες
...his board; at the expiration of the time, he was entitled to $27.50. How many days was he idle ? 12. A and B have the same income; A saves | of his; but B, by spending $30. a year more than A, at the end of 8 years finds himself $40 in debt. What is their income, and...

Arithmetic, in which the Principles of Operating by Numbers are Analytically ...

Daniel Adams - 1839 - 268 σελίδες
...-f- $ '25 ;= $ 1 ; consequently he was idle 10 days. Ans. He wrought 40, and was idle 10 days. 106. A and B have the same income; A saves ^ of his; but B, by spending $ 30 per annum more than A, at the end of 8 years finds himself $40 in debt; what is their income,...

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

Daniel Adams - 1839 - 276 σελίδες
...-f- $ '25 = $ 1 ; consequently he was idle 10 days. Aits. He wrought 40, and was idle 10 days. 106. A and B have the same income; A saves £ of his ; but B, by spending $ 30 per annum more than A, at the end of 8 years finds himself $ 40 in debt ; what is their income,...

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

Daniel Adams - 1840 - 278 σελίδες
...'75 -f- $ '25 = $ ti consequently he was idle 10 days. Ans. He wrought 40, and was idle 10 days. 100. A and B have the same income ; A saves £ of his ; but B, by spending $ 30 per annum more than A, at the end of 8 years finds himself $ 40 in debt ; what is their income,...

Welch's Improved American Arithmetic: Adapted to the Currency of the United ...

1841 - 200 σελίδες
...weight of the less cup, what is the weight of each cup ? Ans. 3 oz. less cup, and 4 oz. greater cup. 7. A. and B. have the same income; A. saves ^-of his; but B. by spending 30 per annum more that A., at the end of 8 years finds himself 40 dollars in debt; what is their income,...

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

Benjamin Greenleaf - 1841 - 334 σελίδες
...past from noon, was equal to 5| of the time to midnight. Required the time. Ans. 12 minutes past 3. 6. A and B have the same income. A saves ^ of his ; but B by spending $100 per annum more than A, at the end of 10 years, finds himself $600 in debt. What was their income...

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

Roswell Chamberlain Smith - 1841 - 324 σελίδες
...now, what were their several ages, the sum of them all being 100 1 A. A's, 20; B's, 30; C's, 50. 10. Two persons, A and B, have the same income : A saves } of his yearly ; but B, by spending 4150 per annum more than A, at the end of 8 years, finds himself i 400...

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

Roswell Chamberlain Smith - 1842 - 320 σελίδες
...now, what were their several ages, the sum of them all being 100 ? A. A's, 20; B's, 30; C's, 50. 10. Two persons, A and B, have the same income : A saves \ of his yearly ; but B, by spending 8150 per annuu|morc than A, at the end of 8 years, finds himself S400 in...

An Introduction to Algebra upon the Inductive Method of Instruction

Warren Colburn - 1844 - 280 σελίδες
...the whole time of emptying was 12 minutes. Required the size of each.rVe*>O The greater wasbemptied 8 times in the 12 minutes, &c. 37. Two persons, A and B, have the same income. A saves J of his; but B, by spending £ 80 a year more than A, at the end of 4 years finds himself £ 220 in...

An Elementary Treatise on Algebra: Designed to Facilitate the Comprehension ...

Ormsby MacKnight Mitchel - 1845 - 308 σελίδες
...the sum of all their ages is 140 ; what is the age of each ? Ans. A's = 84, B's = 42, C's = 14. 13. Two persons, A and B, have the same income ; A saves \ of his yearly, but B, by spending £50 per annum more than A, at the end of four years finds himself £100...




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