 | Michael Walsh - Arithmetic - 1828 - 318 pages
...of earth? Ans. 4 ft. 8J inches. 6. If 12 oxen eat -up 31 acres of grass in 4 weeks, and £1 oxen eat 10 acres in 9 weeks; how many oxen will eat up 24 асгнз in 18 weeks, the grass being supposed to grow uniformly ? ox. w/ij. aer. 12 : 4 : : 3i 18... | |
 | Industrial arts - 1830 - 522 pages
...up 3$ acres of pasture in 4 weeks, and 21 oxen eat up 10 acres of like pasture in 9 weeks. To find how many oxen will eat up 24 acres in 18 weeks, the growth of the grass being uniform." He gives an arithmetical solution of this question independent... | |
 | Perry Fairfax Nursey - Industrial arts - 1830 - 512 pages
...up 3J acres of pasture in 4 weeks, and 21 oxen eat up 10 acres of like pasture in 9 weeks. To find how many oxen will eat up 24 acres in 18 weeks, the growth of the grass being uniform." He gives an arithmetical solution of this question independent... | |
 | Frederick Emerson - Arithmetic - 1834 - 300 pages
...minute; what distance will the engine move forward in one hour? 137. If 12 oxen eat up 3^ acres of grass in 4 weeks, and 21 oxen eat up 10 acres in 9 weeks, how many oxen will eat up 24 acres in I8 weeks; the grass being at first equal on every acre, and growing uniformly ? THE END. 287 INDEX.... | |
 | Frederick Emerson - Arithmetic - 1835 - 300 pages
...minute; what distance will the engine move forward in one hour ? 137. If 12 oxen eat up 3^ acres of grass in 4 weeks, and 21 oxen eat up 10 acres in 9 weeks,...how many oxen will eat up 24 acres in 18 weeks; the grass being at first equal on every acre, and growing uniformly ? THE END. 237 INDEX. Definitions of... | |
 | Frederick Emerson - Arithmetic - 1839 - 300 pages
...minute; what distance will the engine move forward in one hour ? 137. If 12 oxen eat up 3^ acres of grass in 4 weeks, and 21 oxen eat up 10 acres in 9- weeks,...how many oxen will eat up 24 acres in 18 weeks; the grass being at first equal on every acre, and growing uniformly ? THE EN1X 287 INDEX. ifinitions of... | |
 | Benjamin Greenleaf - Arithmetic - 1839 - 356 pages
...believed, however, that Sir Isaac Newton was the author of it. 8. If 12 oxen eat 3J acres of grass in 4 weeks ; and 21 oxen eat up 10 acres in 9 weeks ; how many oxen would it require to eat up 24 acres in 18 weeks, the grass to be growing uniformly ? Ans. 36 oxen.... | |
 | John D. Williams - Algebra - 1840 - 634 pages
...307 boys, Answer. 40. If 12 oxen will eat up 3 J or 3$ acres of grass in 4 weeks, and 21 oxen will eat up 10 acres in 9 weeks, how many oxen will eat up 24 acres in 18 weeks, the grass being allowed to grow uniformly ? д _ 12 oxen c _ 4 weeks ¿ _ 3j or ц ^^ d = 21 oxen / = 9... | |
 | James H. Porter - Arithmetic - 1841 - 210 pages
...? Ans. 13 shillings. 123. If 12 oxen will eat 3 j¡ acres of grass in 4 weeks, and 21 oxen will eat 10 acres in 9 weeks, how many oxen will eat up 24 acres in 18 weeks, the grass being allowed to grow uniformly ? Ans. 36 oxen. 124. A footman agreed to serve his master 12... | |
 | Benjamin Greenleaf - Arithmetic - 1841 - 334 pages
...believpd, however, that Sir Isaac Newton was the author of it. 8. If 12 oXen eat 3J acres of grasy in 4 weeks ; and 21 oXen eat up 10 acres in 9 weeks ; how many oXen would it require to eat up 24 acres in 18 weeks, the grass to be growing uniformly ? Ans. 36 oXen.... | |
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If 12 oxen eat up 3^ acres of grass in 4 weeks, and 21 oxen eat up 10 acres in 9- weeks, how many oxen will eat up 24 acres in 18 weeks; the grass being at first equal on every acre, and growing uniformly ? THE EN1X 287 INDEX. 
