| Robert Louis Short, William Harris Elson - Mathematics - 1910 - 202 pages
...resulting number will be those of the original number written in reverse order. Find the number. Let t = **the digit in tens' place, and u = the digit in units' place. Then,** 10f+« = the number. (Exercise 2, example 14.) By the conditions, 10M-_« _ 2 (j + «), (1) + 18 =... | |
| Herbert Ellsworth Slaught, Nels Johann Lennes - Algebra - 1912 - 300 pages
...of the numbers express one third the sum of the numbers. 17. If h is the digit in hundreds' place, t **the digit in tens' place, and u the digit in units' place** of a certain -number, express the number obtained by inverting the order of the digits of the given... | |
| Herbert Ellsworth Slaught, Nels Johann Lennes - Algebra - 1915 - 402 pages
...age now, express twice the sum of their ages 5 years ago. 57. If h is the digit in hundreds' place, t **the digit in tens' place, and u the digit in units' place** of a certain number, express the number obtained by inverting the order of the digits of the given... | |
| George William Myers, George Edward Atwood - Algebra - 1916 - 362 pages
...number, the digits are interchanged. Find the number. Let h = the digit in hundreds' place, and < = **the digit in tens' place, and u = the digit in units' place.** 20. A number of two digits is 9 less than 7 times the sum of its digits. If 18 is subtracted from the... | |
| Herbert Edwin Hawkes, William Arthur Luby, Frank Charles Touton - Algebra - 1919 - 536 pages
...number, the result will be expressed by the digits in reverse order. Find the number. Solution. Let t = **the digit in tens' place, and u = the digit in units' place. Then** t + u = 9. (1) But t standing in tens' place has its numerical value multiplied by 10. Therefore the... | |
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