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 Βιβλία Βιβλία If twelve times the units' digit is subtracted from the number, the order of the digits will be reversed. Find the number. New School Algebra - Σελίδα 302
των G.A. Wentworth - 1901
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## "Wentworth & Hill's Examination Manuals: Algebra, Τεύχος 2

George Albert Wentworth - 1884
...whose LCM is x2—4xy2 6. A number consists of two digits. The sum of the digits is 7, and if 27 be subtracted from the number the order of the digits will be reversed. Find the number. 3 3 7. Find the value of f , when x= i. L + x 1-x 30. 1. A is ж years old ; В is 20 years younger.... ## A College Algebra

George Albert Wentworth - 1888 - 494 σελίδες
...the second digit exceeds the square of the first digit by 4. If 3 times the first digit be added to the number, the order of the digits will be reversed. Find the number. 1 / 21. A boat.s crew row 3 miles down a river and back again in 1 hour and 15 minutes. Their rate... ## "Wentworth & Hill's Exercise Manuals: Algebra, Τεύχος 2

George Albert Wentworth - 1889
...whose LCM is ж3— ixy2 6. A 1iumber consists of two digits. The sum of the digits is 7, and if 27 be subtracted from the number the order of the digits will be reversed. Find the number. 3 3 7. Find the value of -- 1 --- , whenж=J. 1 + ж 1-x 30. 1. A is * years old ; B is 20 years younger.... ## Numbers Symbolized: An Elementary Algebra

David Martin Sensenig - 1889 - 364 σελίδες
...between the parts may be 12. 4. The sum of the two digits of a number is 10, and if 36 be added to the number the order of the digits will be reversed. Find the number. 5. b'ind a fraction such that if 2 be added to the numerator the fraction equals 1, but if 5 be added... ## A College Algebra

George Albert Wentworth - 1889 - 517 σελίδες
...second digit is less b; x than thf square of the first digit ; if 9 times the first digit be added the number, the order of the digits will be reversed. Find the numte: Let x = the first digit, and у = the second. Then 10 x + y = the number. 10 у + :e = the number... ## The Elements of Algebra

George Lilley - 1892 - 402 σελίδες
...middle digit is twice the left hand digit, und one less than the right hand digit. If 297 be added to the number, the order of the digits will be reversed. Find the number. 16. A number is expressed by three digits. The sum of the digits is 18 ; the number is equal tu 99... ## A College Algebra

George Albert Wentworth - 1892 - 517 σελίδες
...two digits, th* second being less by 3 than one-half the square of the first. If i> be adu4aLtathe number, the order of the digits will be reversed. Find the number J) ~T ^N / 1 J Let x = first digit- , , X ~Ь I — *• Then * \c* = its squat*. 1 / :í e x-,-4 \... ## Elementary Lessons in Algebra: A Text Book for Grammar Schools,by Steward B ...

Stewart B. Sabin, Charles D. Lowry - 1894 - 128 σελίδες
...? 10. A number consisting of two digits is equal to 5 times the sum of the digits. If 9 is added to the number, the order of the digits will be reversed. Find the number. 11. The sum of two numbers is to their difference as 11 to 1. The greater number minus 10 divided by... ## Higher Algebra

George P. Lilley - 1894 - 504 σελίδες
...middle digit is twice the left hand digit, and one less than the right hand digit. If 297 be added to the number, the order of the digits will be reversed. Find the number. 16. A number is expressed by three digits. The sum of the digits is 18 ; the number is equal to 99... ## Exercises in Algebra, Μέρη 1-2

George Albert Wentworth - 1897
...LCM is ж3 — 4жу3 6. A number consists of two digits. The sum of the digits is 7, and if 27 be subtracted from the number the order of the digits will be reversed. Find the number. 3 3 7. Find the value of ) , when x = J. 1 —x 30. 1. A is x years old ; B is 20 years younger. Express...