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" If h is the digit in hundreds' place, t the digit in tens' place, and u the digit in units... "
First Course in Algebra - Page 167
by Herbert Edwin Hawkes - 1910
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Secondary-school Mathematics, Book 1

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 =...
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First Principles of Algebra: Elementary Course

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...
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Elementary Algebra

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...
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Elementary Algebra

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...
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Complete School Algebra

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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