Key to Dodd's Algebra: Containing All the Problems, and the More Difficult Equations, in that Work. With Their Solutions: Designed to Facilitate the Labor of Teachers

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Pratt, Oakley & Company, 1859
 

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Página 13 - A man and his wife usually drank out a cask of beer in 12 days ; but when the man was from, home, it lasted the woman 30 days ; how many days would the man be in drinking it alone ? Ans.
Página 27 - If A and B together can perform a piece of work in 8 days, A and C together in 9 days, and B and C in 10 days : how many days would it take each person to perform the same work alone ? Ans.
Página 146 - Two persons, A and B, can perform a piece of work in 16 days. They work together for four days, when A being called off, B is left to finish it, which he does in 36 days. In what time would each do it separately?
Página 172 - Geese, which were proceeding at the rate of 3 miles in 2 hours, he afterwards met a stage wagon, which was moving at the rate of 9 miles in 4 hours. B overtook the same drove of Geese at the 45th mile stone, and met the same stage wagon exactly forty minutes before he came to the 31st mile stone. Where was B when A reached London 1 Solution.
Página 31 - Two pedestrians start from the same point; the first steps twice as far as the second, but the second makes 5 steps while the first makes but one. At the end of a certain time they are 300 feet apart. Now, allowing each of the longer paces to be 3 feet, how far will each have travelled?
Página 152 - There were 22 sailors to every three guns, and 10 over ; also, the whole number of hands was five times the number of soldiers and guns together. But after an engagement, in which the slain were* one-fourth of the survivors, there wanted 5 men to mako 13 men to every two guns: required, the number of guns, soldiers and sailors.
Página 22 - To divide the number 36 into three such parts that ~ of the first, ^ of the second, and } of the third may be all equal to each other ? Ans.
Página 59 - One hundred stones being placed on the ground in a straight line, at the distance of 2 yards from each other, how far will a person travel who shall bring them one by one to a basket, placed at 2 yards from the first stone ? Ans.

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