 | Charles Mansford - 1875 - 110 pages
...digits, and if the number be divided by the product of the digits the quotient will be 3 ; and if 18 be added to the number the digits will be reversed. Find the number. 13. A person bought 2 sorts of cloth, giving 14 shillings for the one sort and £4 19s. for the other.... | |
 | George Albert Wentworth - Algebra - 1886 - 284 pages
...and (3), 2ж = 4. .'.x = 2. Subtract (3) from (1), 2 у = 12. .-.у = 6. Hence the number is 26. 13. The sum of the two digits of a number is 10, and if 54 be added to the number, the digits will be interchanged. What is the number? 14. The sum of the... | |
 | David Martin Sensenig - Algebra - 1889 - 388 pages
...parts that the quotient of the smaller part divided by the difference 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... | |
 | George Albert Wentworth - Algebra - 1890 - 376 pages
...means 300 + 60 + 4 ; or, 100 times 3 + 10 times f\ + 4. Ex. The sum of the two digits of a number ia 10, and if 18 is added to the number, the digits will be reversed. Find the number. Let a; =• tens' digit, and y = units' digit. Then 10 a; + y — the number. Hence x + y = 10, (1)... | |
 | George Albert Wentworth - Algebra - 1891 - 380 pages
...number. For example, the expression 364 means 300 + 60 + 4 ; or, 100 times 3 + 10 times 6 + 4. Ex. The sum of the two digits of a number is 10, and if...number, the digits will be reversed. Find the number. Let x = tens' digit, , ¿ , '.s and y = units' digit. ( Then 10ж +y = the number. \^ Hence x + у... | |
 | George Albert Wentworth - Algebra - 1891 - 544 pages
...(3), 2z = 4. /. x = 2. Subtract (3) from (1), 2 y = 12. ••• У = 6. Hence the number is 26. 17. The sum of the two digits of a number is 10, and if 54 be added to the number the digits will be interchanged. What is the number ? 18. The sum of the... | |
 | George Albert Wentworth - Algebra - 1894 - 208 pages
...the digits were unknown and represented by x and y, the number would be represented by 10 x + y. Ex. The sum of the two digits of a number is 10, and if...number, the digits will be reversed. Find the number. (1) (2) (3) 1. The sum of the two digits of a number is 9, and if 9 is added to the number, the digits... | |
 | George Albert Wentworth - Algebra - 1894 - 206 pages
...will be reversed. Find the number. (1) (2) (3) 1. The sum of the two digits of a number is 9, and if 9 is added to the number, the digits will be reversed. Find the number. 2. A certain number of two digits is equal to eight times the sum of its digits, and if 45 is subtracted... | |
 | Henry Sinclair Hall, Samual Ratcliffe Knight - 1895 - 214 pages
...find the number. 16. A certain number of two digits is four times the sum of the digits, and if 27 be added to the number the digits will be reversed ; find the number. 17. A certain number between 10 and 100 is six times the sum of the digits, and the number exceeds... | |
 | Emerson Elbridge White - Algebra - 1896 - 418 pages
...certain number expressed by two digits is equal to 4 times the sum of those digits ; but, if 18 be added to the number, the digits will be reversed. Find the number. 9. Said A to B, "If you give me $ 100, I shall then have as much money as you." — " Nay," replied... | |
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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. 
