 | Edward Olney - 1878 - 360 pages
...34 39. Given ух + у + 2\/а; — « = ^ ' , and — — £- — . ХУ 1о -, , APPLICATIONS. 1. The plate of a looking-glass is 18 inches by 12, and...width, and of surface equal to that of the glass. Eequired the width of the frame. 2. A person bought some fine sheep for $360, and found that if he... | |
 | Benjamin Greenleaf - Algebra - 1879 - 322 pages
...person will receive $ 25 less than he expected. Required the original number of persons. Ans. 8, 10. The plate of a looking-glass is 18 inches by 12, and...to be surrounded by a plain frame of uniform width, having a surface equal to that of the glass. Required the width of the frame. Ans. 3 inches. 11. Twenty... | |
 | Benjamin Greenleaf - Algebra - 1879 - 350 pages
...looking-glass is 18 inches by 12, and it is to be surrounded by a plain frame of uniform width, having a surface equal to that of the glass. Required the width of the frame. Ans. 3 inches. 11. Twenty persons contribute to send a donation of $ 48 to a benevolent society, one half of the whole... | |
 | Benjamin Greenleaf - Algebra - 1879 - 350 pages
...than ho expected. Required the original number of persons. Ans. 8. Interpret the negative results. 10. The plate of a looking-glass is 18 inches by 12, and it is to bo surrounded by a plain frame of uniform width, having a surface equal to that of the glass. Required... | |
 | Webster Wells - Algebra - 1879 - 468 pages
...12, and is to be framed with a frame all parts of which are of equal width, and whose area is to be equal to that of the glass. Required the width of the frame. 11. There are two numbers whose difference is 9, and whose sum multiplied by the greater is 266. What... | |
 | Edward Olney - Algebra - 1880 - 354 pages
...= 2{X-^ , and î!JJÎ = ?*. /ж- ЖУ lô , , Ч ir J« "\ - ., ir*'. ж* + *=ж. APPLICATIONS. 1. The plate of a looking-glass is 18 inches by 12, and...that of the glass. Required the width of the frame. 2. A person bought some fine sheep for I860, and found that if he had bought 6 more for the same money,... | |
 | B. Greenleaf - 1880 - 320 pages
...receive $ 25 less than he expected. Required the original number of persons. Ans. 8. 10. The plato of a looking-glass is 18 inches by 12¡ and it is to bo surrounded by a plain frame of uniform width, having a surface equal to that of the glass. Required... | |
 | Edward Olney - Algebra - 1882 - 358 pages
...8э-» »Д — 14^ о* — о.« у, А1 ia; -ty —ox, .„ j ол —у —14, ' 7 APPLICATIONS. 1. The plate of a looking-glass is 18 inches by 12, and...that of the glass. Required the width of the frame. 2. A person bought some fine sheep for $360, and found that if he -7 had bought 6 more for the same... | |
 | Edward Olney - Algebra - 1885 - 364 pages
...= ^ ~ ^ , and ^L+_# y 15' 40. '" -— -~-w 41. j *--*—"» 42. ( «-*-••*• APPLICATIONS. 1. The plate of a looking-glass is 18 inches by 12, and...surrounded by a plain frame of uniform width, and of snrface equal to that of the glass. Required the width of the frame. 2. A person bought some fine sheep... | |
 | Webster Wells - 1885 - 368 pages
...by 12. It is to be framed with a frame all parts of which are of the same width, and whose area is equal to that of the glass. Required the width of the frame. 16. A merchant sold a quantity of flour for $39, and gained as much per cent as the flour cost him.... | |
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The plate of a looking-glass is 18 inches by 12, and it is to be surrounded by a plain frame of uniform width/ having a surface equal to that of the glass. 
