 There is a certain number, to the sum of whose digits if you add 7, the result will be three times the left-hand digit ; and if from the number itself you subtract 18, the digits will be inverted. What is the number ? ANSW.  An Elementary Treatise on Algebra - Page 88by Bewick Bridge - 1818 - 227 pagesFull view - About this book
 | James Ryan - Algebra - 1824 - 550 pages
...from i the greater, the remainder is nothing. What arc the numbers ? « Ans. 18, and .12. Prob. 31. There is a certain number, to the sum of whose digits...the digits will be inverted. What is the number?- • , • ADS. 53. Prob. 32. A person has two horses, and a saddle worth 101. ; if the saddle be put... | |
 | James Ryan, Robert Adrain - Algebra - 1824 - 542 pages
...taken from J- the greater, the remainder is nothing. What are the numbers ? Ans. 18, and 12. Prob. 31. There is a certain number, to the sum of whose digits if you add 7, the result will be three limes the left-hand digit ; and if from the number itself you subtract 10, the digits will be inverted.... | |
 | Peter Nicholson - Mathematics - 1825 - 1046 pages
...value triple that of the first ; what is the value of each none ? Ant. One 301. and the other 401. 37. There is a certain number, to the sum of whose digits...digit ; and if from the number itself you subtract 1 8, the digits will be inverted ; what is the number ? Ans, 53. 38. A vessel, containing 120 gallons,... | |
 | Bewick Bridge - Algebra - 1828 - 260 pages
...numbers, such, that £ the greater added to ;}d the lesser is 1 3 ; and if -| the lesser be taken from Jd the greater, the remainder is nothing. What are the...digit ; and if from the number itself you subtract 1 8, the digits will be inverted. What is the number ? ANSW. 53. Qu. 33. Divide the number 90 into... | |
 | James Ryan - Algebra - 1826 - 430 pages
...taken from | the greater, the remainder is nothing. What are the numbers? Ans. 18, and 12. Prob. 31. There is a certain number, to the sum of whose digits...number itself you subtract 18, the digits will be invented. What is the number ? Ans. 53. Prob. 32. A person has two horses, and a saddle worth \0l ;... | |
 | James Ryan, Robert Adrain - Algebra - 1835 - 388 pages
...taken from £ the greater, the remainder is nothing. What are the numbers ? Ans. 18, and 12. PROB. 31. There is a certain number, to the sum of whose digits...will be three times the left-hand digit ; and if from I he number itself you subtract 18, the digits will be inverted. What is the number? Ans. 53. PROB.... | |
 | Bewick Bridge - Algebra - 1839 - 280 pages
...lesser is 13 ; and if i the lesser be taken from |d the the greater, the remainder is nothing. What ars the numbers ? ANSW. 18 and 12. Qu. 32. There is a...sum of whose digits if you add 7, the result will be 3 times the left hand digit ; and if from the number itself you subtract 18, the digits will be inverted.... | |
 | Bewick Bridge - Algebra - 1841 - 260 pages
...such, that £ the greater added to £d the lesser is 13 ; and if $ the lesser be taken from id the the greater, the remainder is nothing. What are the...sum of whose digits if you add 7, the result will be 3 times the left hand digit ; and if from the number itself you subtract 18, the digits will be inverted.... | |
 | Barnard Smith - 1857 - 740 pages
...13 ; and if J the less be taken from J the greater, the remainder is nothing; find the numbers. 6. There is a certain number, to the sum of whose digits...itself you subtract 18, the digits will be inverted. Find the number. 7. A vessel containing 120 gallons is filled in 10 minutes by 2 spouts running successively,... | |
 | Edward Olney - Algebra - 1877 - 466 pages
...value is ^; but if 1 be added to its denominator, its value is J. What is the fraction ? Verify. « 7. There is a certain number, to the sum of whose digits if you add 7, the result will be three times the left hand digit ; and if from the number itself you subtract 18, the digits will have changed places.... | |
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