Exercises in Algebra

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Silver, 1909 - 235 páginas
 

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Página 144 - There is a number consisting of two digits, the second of which is greater than the first, and if the number be divided by the sum of its digits, the quotient is 4...
Página 140 - Eight years ago a man was three times as old as his son, and five years hence four times the son's age will equal twice the father's age.
Página 55 - How much will it cost to plaster the walls and ceiling of a room 16 ft. 3' long, 14 ft. 2
Página 35 - A traveler walked 23-|- miles the first day, 3f miles more the second day than the first, and 3-|- miles more the third day than the second. How far did he walk in the three days ? 5.
Página 200 - Prob. 11. The sum of two numbers is a, and the sum of their reciprocals is b. Required the numbers.
Página 116 - B are eighty-two miles apart. They set out at the same time and travel toward each other. A travels at the rate of ten miles in three hours, and B at the rate of seven miles in two hours.
Página 11 - If one part of x is a, what is the other part ? 29.
Página 138 - A and B can do a piece of work in 4 days, B and C in 5J days, and A and C in 4f days.
Página 209 - A body falls 16^- feet the first second, and in each succeeding second 32£ feet more than in the next preceding one. How far will it fall in 16 seconds?
Página 34 - If A can do a piece of work in x days and B can do it in y days, what part of it can both do in one day ? 4.

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