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" A hare starts 12 rods before a greyhound, but is not perceived by him till she has been up 45 seconds ; she scuds away at the rate of 10 miles an hour, and the dog... "
Rainey's Improved Abacus: An Explanatory Treatise on the Theory and Practice ... - Σελίδα 60
των Thomas Rainey - 1849 - 312 σελίδες
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Arithmetical Spyglass and Teacher's Assistant: Intended as a Key and ...

Charles Waterhouse - 1842 - 180 σελίδες
...at. 1 leap ; hence, 50 leaps are gained in 300 leaps, Ans. 32. A hare starts 12 rods before a hound, but is not perceived by him until she has been up...scuds away at the rate of 10 miles an hour, and the hound, on view, makes after her at the rate of 16 miles an hour. In what time will he catch her, and...

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

Roswell Chamberlain Smith - 1842 - 320 σελίδες
...93. A hare starts 40 yards before a greyhound, and is not perceived by him till she has been up 40 seconds ; she scuds away at the rate of 10 miles an hour, and the dog pursues her at the rate of 18 miles an hour ; how long will the course last, and what distance will...

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

Roswell Chamberlain Smith - 1843 - 310 σελίδες
...rods before a greyhound, but is not perceived by him till she has been up 45 seconds ; she scuds awajr at the rate of 10 miles an hour, and the dog after...; what space will the dog run before he overtakes the hare ? A. 138 rods, 3 yards, 2 feet. 80. A gentleman has an annuity of $2000 per annum ; I wish...

Practical and Mental Arithmetic: On a New Plan, in which Mental Arithmetic ...

Roswell Chamberlain Smith - 1843 - 318 σελίδες
...secor,da 79. A hare starts 12 rods before a greyhound, but is not perceived by him till she has been ap 45 seconds; she scuds away at the rate of 10 miles an hour, and the dog after her at the rate of I6 miles an hour ; what space will the dog run before he overtakes t!ie hare ? A. 138 rods, 3 yards,...

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

Roswell Chamberlain Smith - 1843 - 306 σελίδες
...starts 12 roda brforc a greyhound, but is not perceived by him till she has been up lifj'secoiids ; she scuds away at the rate of 10 miles an hour, and the dog after Jier at the rate of 1C miles an hour ; what space will the dog run before he overtakes tlie hare <...

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

Roswell Chamberlain Smith - 1843 - 320 σελίδες
...93. A hare starts 40 yards before a greyhound, and is not perceived by him till she has been up 40 seconds ; she scuds away at the rate of 10 miles an hour, and the dog pursues her at the rate of 18 miles an hour ; how long will the course last, and what distance will...

Daboll's Complete Schoolmaster's Assistant Being a Plain Comprehensive ...

Nathan Daboll - 1843 - 254 σελίδες
...32. A hare starts 40 yards before a grey hound, and is not perceived by him until she has been up 40 seconds ; she scuds away at the rate of 10 miles an hour, and the dog makes after her at the rate of 18 miles an hour. How long will the course hold, and what space of ground...

Elementary and practical Arithmetic on the inductive system, by analysis and ...

Charles WATERHOUSE - 1844 - 228 σελίδες
...at 1 leap ; hence, 50 leaps are gained in 300 leaps, Ans. 28. A hare starts 12 rods before a hound, but is not perceived by him until she has been up...scuds away at the rate of 10 miles an hour, and the hound, on view, makes after her at the rate of 16 miles an hour. In what time will he catch her, and...

A New Practical and Theoretical Arithmetic: In which in Addition to the ...

Horatio Nelson Robinson - 1845 - 310 σελίδες
...30. A hare starts 40 yards before a grayhound, and is not perceived by him until she has been up 40 seconds ; she scuds away at the rate of 10 miles an hour ; the dog makes after her at the rate of 18 miles a* hour ; how long will the hound be in overtaking...

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

Roswell Chamberlain Smith - 1847 - 308 σελίδες
...siari 1 A. 974 seconds, 79. A hare starts 12 rods before a greyhound, but is not perceived by him till she has been up 45 seconds ; she scuds away at the rate of 10 miles. an hour, and the dog after her ai the rate of 16 miles an hour; what space will the dog run before he overtake? the hare 1 A. 138...




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