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" A fox starts 80 yards before a greyhound, and is not perceived by him till he has been up 45 seconds ; he scuds away at the rate of 9 miles an hour, and the hound pursues after him at the rate of 18 miles per hour. "
The Plain Calculator: Being an Elementary Arithmetic : Based on the Inherent ... - Page 98
by Lewis Joerres - 1842 - 162 pages
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The School-master's Guide: Or, a Complete System of Practical Arithmetic ...

Charles Hutton - Arithmetic - 1766 - 214 pages
...other two adventurers. •Anf. A 185/. 3J. Ца. and В 172/. \6s. ç^J. ''68. A young hare ftarts 40 yards before a greyhound, and is not perceived by him till (he has Ьгеп up 40 féconds ; íhe feuds away at the rate of ю miles an hour, and the dog, on view, makes...
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An Essay on Mathematical Language: Or, An Introduction to the Mathematical ...

Giovanni Alberto Baselli - Mathematics - 1787 - 476 pages
...the two other adventurers ? Anf. A 185/. 3*. 8*</. and В 172/. ibs.^d. 41. A young hare ftarts 40 yards before a greyhound and is not perceived by him till (he has been up 40 fcconds, ihe feuds away at the rate of ю miles an hour, and the dog, on view, makes after her at...
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Practical and Mental Arithmetic on a New Plan: In which Mental Arithmetic is ...

Roswell Chamberlain Smith - Accounting - 1832 - 294 pages
...А. У74 seconds. 7i'. A hare starts 12 rods before a greyhound, but is not perceived by him till she has been up 45 seconds ; «he scuds away at the rate of 10 miles an hour, and the dog after her at the rate of 16 miles an hour ; what space will the dog run...
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A New System of Arithmetic and Mathematics

James H. Porter - Arithmetic - 1845 - 254 pages
...latter price ? 150 —225 100 2— 225— 100 per cent. 231. A fox starts 80 yards before a hound, and is not perceived by him till he has been up 45...how many seconds will the hound overtake the fox, and how far will each have run ? The fox has 80 yards the start, we must see according to the conditions...
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The Speedy Calculator: Being a System of Arithmetic

Benjamin Naylor - 1850 - 334 pages
...yards of muslin should he receive ? Ans. 1764yds. (0.) 6. A fox starts 80 yards before a grayhound, and is not perceived by him till he has been up 45...the rate of 9 miles an hour, and the hound pursues him at the rate of 18 miles an hour, how far must the hound run to overtake the fox ? » The following...
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