 | Miles Bland - Algebra - 1824 - 404 pages
...2. A bill of £.'26. 5s. was paid with half guineas and crowns, and twice the number of half guineas exceeded three times the number of crowns by 17. How many were there of each? Ans. 40 half guineas, and 2 1 crowns. 3. Two labourers, A and J3, received £.5. 17s. for their wages;... | |
 | John D. Williams - Algebra - 1840 - 634 pages
...^3. 2. A bill of £26 5s. was paid with half guineas and crowns, and twice the number of half guineas exceeded three times the number of crowns by 17. How many were there of each ? Let 2z and y denote the number of half guineas and of crowns ; 21x+5j/=525 ) 63z+15«=1575 ) z=20... | |
 | John D. Williams - Algebra - 1840 - 216 pages
...y==l^ 2. A bill of £26 5s. was paid with half guineas and crowns, and twice the number of half guineas exceeded three times the number of crowns by 17. How many were there of each ? Let 2x and y denote the number of half guineas and of crowns ; 21z+5y=525 ) 63z+l 5y=1575 ) z=20... | |
 | Alfred Wrigley - 1845 - 222 pages
...he left for Silenus : required the time in which each would have emptied the cask separately. 585. A bill of 25 guineas was paid with crowns and half-guineas,...twice the number of half-guineas exceeded three times that of the crowns by 1 7 ; how many were there of each ? 586. A farm was rated at 3s. an acre, and... | |
 | John Bonnycastle - 1848 - 334 pages
...days ; find in what time each could finish the work alone. Ans. A in 18 days, and в in 36 days. 36. A bill of 25 guineas was paid with crowns and half-guineas,...number of crowns by 17, how many were there of each. Ans. 40 half-guineas, and 2 1 crowns. 37. A rectangular bowling-green contains a certain number of... | |
 | James Wharton - 1848 - 164 pages
...three numbers 2, 3, 5? Ans. 2 and 1O. (64.) A bill of £26 5s. was paid with half-guineas and crowns, and twice the number of half-guineas exceeded three times the number of crowns by 1 7 ; how many were there of each ? Ans. 40 half-guineas, and. 21 crowns. (65. ) One third of a ship... | |
 | Education - 1850 - 488 pages
...on the line, the train would not have been so late by l h . 20 m .: find the length of the line. 2. A bill of 25 guineas was paid with crowns and half-guineas...twice the number of half-guineas exceeded three times that of the crowns by 17 : how many were there of each? SECTION IV.—Prove one of the following formulee... | |
 | John Bonnycastle - Algebra - 1851 - 288 pages
...bill of £26 5s. was paid with half guineas and crowns, and twice.the number of half guineas exceed 3 times the number of crowns by 17. How many were there of each ? Ans. 40 half guineas and 21 crowns. 44°. Two labourers, A and B, received £5 17s. for their wages,... | |
 | Alfred Wrigley - 1852 - 344 pages
...put in its stead £jo; I then counted the money and 4 found £120 ; what was the original sum? 385. A bill of 25 guineas was paid with crowns and half-guineas ; and twice the number of half-guineas exceeded 3 times that of the crowns by 1 7 ; how many were there of each ? 386. A and B start to run a race... | |
 | Royal Military Academy, Woolwich - Mathematics - 1853 - 474 pages
...therefore x = 33, the greater number; by subtraction, 2 у = 30, therefore у = 15, the less number. 3. A bill of 25 guineas was paid with crowns and half-guineas;...twice the number of half-guineas exceeded three times that of the crowns by 17 ; how many were there of each? Let x denote the number of crowns, an.l у... | |
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A bill of 25 guineas was paid with crowns and halfguineas, and twice the number of half-guineas exceeded three times the number of crowns by 17. How many were there of each ? Ans. 
