 | Jeremiah Day, James Bates Thomson - Algebra - 1848 - 264 pages
...104 Ibs. which will be worth £56 1 14. To find a number consisting of two digits, the sum of which is 5 ; and if 9 be added to the number itself, the digits will be inverted. 15. There is a certain fraction such, that if you add 1 to its numerator, it becomes J ; but if you... | |
 | Popular educator - 1852 - 1272 pages
...the digits will be inverted. Ans. 53. 51. To find a number consisting of two digits, the sum of which is 5 ; and if 9 be added to the number itself, the digits will be inverted. Ans. 23. 62. There is a certain fraction such, that if you aOd 1 to its numerator it becomes 1 ; but... | |
 | Elias Loomis - Algebra - 1856 - 280 pages
...former and 33 of the latter. Prob. 31. There is a number consisting of two digits, whose sum is 7 ; and if 9 be added to the number itself, the digits will be inverted ? What is the number ? Ans. 34. Prob. 32. Out of a hogshead of water which had leaked away one third part, 21 gallons were... | |
 | Barnard Smith - 1857 - 740 pages
...solved give «= 16, y=69. Ex. 4. There is a certain number consisting of two digits. The um of the digits is 5 ; and if 9 be added to the number itself, the digits all be inverted. Find the number. Let ;r = the left-hand digit, t/ = the right-hand digit; then I0x... | |
 | Robert Wallace - 1870 - 164 pages
...(7), (8), (9), we .3. There is a certain number, consisting of two figures, the sum of those figures is 5 ; and if 9 be added to the number itself, the digits will be inverted. What is the number ? Ans. 23. 4. What fraction is that to the numerator of which if 4 be added, the value is one-half,... | |
 | Edward Olney - Algebra - 1870 - 114 pages
...$4800 ; B's, $5000. (13.) There is a certain number, consisting of two digits. The APPLICATIONS. 57 sum of those digits is 5 ; and if 9 be added to the...itself, the digits will be inverted. What is the number ?Ans., 23. (14.) There is a number consisting of two digits, the second of which is greater than the... | |
 | Popular educator - 1860 - 424 pages
...»ill be inverted. Ana. 53. 51. To find a number consisting of two digits, the sum of which is 6 ; and if 9 be added to the number itself, the digits will be inverted. Ans. 23. 62. There is a certain fraction such, that if you add 1 to it* numerator it becomes i ; but... | |
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The sum of those digits is 5 ; and if 9 be added to the number itself, the digits will be inverted. 
