 | Middlesex Alfred Bailey - Arithmetic - 1897 - 332 pages
...227. A certain number expressed by two digits, is equal to 4 times the sum of those digits ; if 27 is added to the number, the digits will be reversed. Find the number. Relations : units, digit + 10 times tens, digit = number ; 4 (units, digit + tens, digit) = number... | |
 | Michigan. Department of Public Instruction - Education - 1902 - 330 pages
...fence? 8. A number expressed by two digits is equal to four times the sum of those digits; but if 18 be added to the number, the digits will be reversed. Find the number. 9. x'— х*=бв. Find value of x 10. A bought sheep for $80. If he had bought four more for the same... | |
 | Webster Wells - Algebra - 1906 - 550 pages
...The digits of a number of three figures are in geometric progression, and their sum is 7. If 297 be added to the number, the digits will be reversed. Find the number. 12. There are three numbers in geometric progression whose sum is -1/. If the first be multiplied by... | |
 | Webster Wells - Algebra - 1906 - 484 pages
...number be divided by the sum of its digits, the quotient is 20, and the remainder 9; and if 594 be added to the number, the digits will be reversed. Find the number. 41. A certain number of workmen receive the same wages, and receive together a certain sum. If there... | |
 | Webster Wells - Algebra - 1908 - 456 pages
...increased by 2 is \. What are the numbers? 3. The sum of the two digits of a number is 14; and if 36 be added to the number, the digits will be reversed. Find the number. 4. Nine shares of NY Central stock and 7 shares of Illinois Central stock cost $1702, and 5 shares... | |
 | James William Nicholson - Algebra - 1909 - 332 pages
...the units' digit, the number is 10 x + y. 11. The sum of the two digits of a number is 11, and if 63 is added to the number, the digits will be reversed. Find the number. Let x — the tens' digit, and >/ = the units' digit. Then 10x + y = the number. Hence, £ + .'/= И,... | |
 | Joseph Victor Collins - Algebra - 1910 - 332 pages
...number is divided by the sum of its digits, the quotient is 20 and the remainder 9 ; and if 594 be added to the number, the digits will be reversed. Find the number. 9. In round numbers in 1904 New York City, Boston, and Chicago paid out to the public together 20.4... | |
 | Arthur Schultze - Algebra - 1918 - 336 pages
...denominator equals 15. What is the fraction? 8. The sum of the digits of a number of two figures is 6, and if 18 is added to the number the digits will be interchanged. What is the number ? (See Ex. 1, § 183.) 9. If 27 is added to a number of two digits,... | |
 | Webster Wells, Walter Wilson Hart - Algebra - 1912 - 504 pages
...decreased by 8, be divided by the sum of its units and tens' digits, the quotient is 25; and if 99 be added to the number, the digits will be reversed. Find the number. SOLUTION : 1. Let x = the hundreds' digit, y = the tens' digit, and г = the units' digit. 2. Then... | |
 | Webster Wells, Walter Wilson Hart - Algebra - 1912 - 344 pages
...decreased by 8, be divided by the sum of its units and tens' digits, the quotient is 25 ; and if 99 be added to the number, the digits will be reversed. Find the number. SOLUTION : 1. Let ж = the hundreds' digit, y = the tens' digit, and z = the units' digit. 2. Then... | |
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The sum of the two digits of a number is 10, and if 18 is added to the number, the digits will be reversed. Find the number. 
