 | Charles Scott Venable - Algebra - 1880 - 168 pages
...arithmetical progression ; and the quotient of the number divided by the sum of its digits is 15 ; but if 396 be added to it, the digits will be inverted. What is the number ? Let ж = the middle digit, and у — the common difference ; then x — y,x and x + у = the digits,... | |
 | Edward Olney - Algebra - 1880 - 354 pages
...a number consisting of two digits, which is 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 that each page may contain a certain number of lines, and each line... | |
 | Edward Olney - Algebra - 1882 - 358 pages
...a number consisting of two digits, which is 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 that each page may contain a certain number of lines, and each line... | |
 | Charles Scott Venable - 1890 - 170 pages
...arithmetical progression ; and the quotient of the number divided by the sum of its digits is 15 ; but if 396 be added to it, the digits will be inverted. What is the number ? Let x — the middle digit, and y — the common difference ; then x — y,x and x + y = the digits,... | |
 | Edward Olney - Algebra - 1870 - 114 pages
...arith metical progression ; and the number divided by the sum of its digits is equal to 26 ; but if 198 be added to it, the digits will be inverted. What is the number? (GO.) The sum of the squares of the extremes of four numbers in 98 MISCELLANEOUS EXAMPLES も ぬ thme... | |
 | Joseph Ray - Algebra - 1848 - 260 pages
...consisting of two places of figures, which being divided by the sum of its digits, the quotient is 4, and if 27 be added to it, the digits will be inverted ; required the number. Ans. 36. 25. A grocer has two kinds of sugar, of such quality that one pound... | |
 | Joseph Ray - Algebra - 1848 - 252 pages
...consisting of two places of figures, which being divided by the sum of its digits, the quotient is 4, and if 27 be added to it, the digits will be inverted ; required the number. Ans. 36. 25. A grocer has two kinds of sugar, of such quality that one pound... | |
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A certain number, consisting of two places, a unit and a ten, is four times the sum of its digits, and if 27 be added to it, the digits will be inverted. What is the number ? NOTE. 
