| William Smyth - 1833 - 288 páginas
...which he pays, by $310. What are the two rates of interest ? Ans. 6 and 5 per cent. respectively. 17. There is a number consisting of two digits, which...equal to four times the sum of those digits ; and if 18 be added to it, the digits will be inverted. What is the number ? Ans. 24. 18. To find a fraction... | |
| William Smyth - 1836 - 288 páginas
...which he pays, by $310. What are the two rates of interest ? Ans. 6 and 5 per cent. respectively. 17. There is a number consisting of two digits, which is equal to four limes the sum of those digits ; and if 18 be added to it, the digits will be inverted. What is the... | |
| John Radford Young - 1839 - 332 páginas
...times the number of half-guineas. How many were there of each ? Ans. 16 half-guineas and 24 crowns. 6. There is a number consisting of two digits, which...equal to four times the sum of those digits; and if 18 be added to it, the digits will be inverted. What is the number? Ans. 24. 7. A man being asked the... | |
| James Wood - 1841 - 492 páginas
...if the number, consisting of the last 3 digits in order, be divisible by 8. 12. There is a certain number consisting of two digits, which is equal to four times the sum of its digits ; and if to the number 18 be added, the digits will be reversed. 13. The two digits of which... | |
| Wales Christopher Hotson - 1842 - 306 páginas
...the price of a share in the steam-boat speculation was (6) A certain number consisting of two digits is equal to four times the sum of those digits; and if 12 be subtracted from twice the number, the digits will be inverted. What is the number ? Let x and... | |
| James Wood - 1845 - 442 páginas
...sum is expressed by the same digits reversed. What is the number? Ans. 26. 40. Find a number composed of two digits, which is equal to four times the sum of the digits, and such that, by reversing the digits, a number is formed equal to seven times that sum.... | |
| James Bryce - 1846 - 352 páginas
...Hence, we easily find the number of men to be 2150; and the numbers in the two sides, 46 and 47. 8. There is a number consisting of two digits, which...equal to four times the sum of those digits ; and if 9 be subtracted from twice the number, the digits will be inverted. Required the number. Let the digits... | |
| University of Oxford - 1863 - 316 páginas
...gallons was water : how many gallons were there of each ? 11. A certain number consisting of two digits, is equal to four times the sum of those digits ; and if 1 8 be added to the number itself, the digits will be inverted. 12. A general in forming his men into a solid square,... | |
| Edward Olney - 1873 - 354 páginas
...becomes f ; but the denominator being doubled, and the numerator increased by 2, the value becomes | ? 6. There is a number consisting of two digits, which...equal to four times the sum of those digits; and if 18 be added to it, the digits will be inverted. What is the number? 7. A work is to be printed, so... | |
| Edward Olney - 1878 - 360 páginas
...becomes f ; but the denominator being doubled, and the numerator increased by 2, the value becomes \ ? 6. There is a number consisting of two digits, which...equal to four times the sum of those digits ; and if 18 be added to it, the digits will be inverted. What is the number? 7. A work is to be printed, so... | |
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