 | Nathan Daboll - 1813 - 244 σελίδες
...spices, some at 9d. per Ib. some at Is. some at 2s. and some at 2s. 6d. per Ib. how much of each lort must he mix, that he may sell the mixture at Is. 8d. icr pound ? d. Ib. dd Ib. !9— ,. 10at9") C 9. 4") . 12") 4 12 I Gives the d. 112-1^ 10 I | 24 ] 1... | |
 | Nathan Daboll - 1815 - 250 σελίδες
...EXAMPLE8, 1. A merchant has spices, some at 9d. per Ib. some at Is. some at 2s. and some at 2s. 6d. per Ib. how much of each sort must he mix, that he may sell the mixture at Is. 8d. per pound ? dd Ib. f 9 >10 at 9~) d. J 12"| 4 12 I Gives the 20 ] 24 J | 8 24 f Answer. 0i ['30 '11 30J... | |
 | Nathan Daboll - 1818 - 246 σελίδες
...EXAMPLES. 1. A merchant has spices, some at 9d. per Ib. some at Is. some at 2s. and some at 2s. 6d. per Ib. how much of each sort must he mix, that he may sell the mixture at Is. £d. per pound ? dd lb. f 9 .10 at 9~} rf. J 12-} 4 12 I Gives Hie 20 ] 24 JI 8 24 {Answer, or l_S0... | |
 | Nathan Daboll - 1818 - 246 σελίδες
...EXAMPLES. 1- A merchant has apices, some at 9d. per Ib. some at Is. some at 2s. and some at 2s. 6tl. per Ib. how much of each sort must he mix, that he uiey sell the mixture at Is, 8d. per pound ? di d. Ib. 9 - ,10 at 9~1 " 12 ! friv 4 12 ! (Jives the... | |
 | Beriah Stevens - 1822 - 436 σελίδες
...quantity. EXAMPLE. A merchant fcas spices, some at Is. 6d. per Ib. some at 2s. some at 4s. .and some at 6s. per Ib. ; how much of each sort must he mix, that he may sell the mixture at 3s. 4d. per Ib. ? i ii_ . s .1 M per Ib d. Ib. sd k18 1 20 at 1 6 1 "Mean rate (24-, 8 20 16 40 48j... | |
 | Nicolas Pike - 1822 - 562 σελίδες
...1. A merchant has spices, some at Is. 6d. per ft, some at 2s. some at 4s. and some at 5s. per ft : How much of each sort must he mix that he may sell the mixture at 3s. 4d. per ft ? d. Mean rate 40d. per ft 40d. sd 8+20 60-^22+16 •10J. 20+ 8+20 16 + 22 22 + 16 sd... | |
 | Nicolas Pike - 1822 - 536 σελίδες
...merchant has spices, some at 1s. Gd. per fe, some at 2s. some at 4s. and some at as. per ft : Hniv much of each sort must he mix that he may sell the mixture at 3s. 4d. per Jfc '/ Mean ,ate40d. C+20 60-^ 22+16 ft sd 8 at 1 6 20 — 2 0 22 — 4 0 1C — 5 0 ft... | |
 | Warren Colburn - 1824 - 292 σελίδες
...proportions. 77. A merchant has spices, some at 9d. per Ib. sonje at Is., some at 2s., and some at 2s. 6d. per Ib. How-. much of each sort must he mix, that...other two and find their proportions in the same way. Less 9d. = 9d. ~\ f 1 1 d. diff. between less I mean I and mean. Greater 2s, 6d. = 30d. [ 20. j lOd.... | |
 | Nathan Daboll - 1825 - 248 σελίδες
...has spices, some at 9d. per Ib. some at 's. some at 3f. and some at 2s. 6d. per Ib. how much of ft ch sort must he mix, that he may sell the mixture at Is 8d. per pound ? С. A grocer would mix the following quantities of sugar ; viz. at 10 cents, 13 cents, and... | |
 | Nicolas Pike, Dudley Leavitt - 1826 - 214 σελίδες
...EXAMPLES. 1. A merchant has spices, some at Is. 6d. a Ib. some at 2s. some af 4«. and some at 5s. a Ib. : How much of each sort must he mix, that he may sell the mixture at 3s. 4d. a Ib. ? * By connecting the less rate to the greater, and placing the difference between them... | |
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... there be several, their sum will be the quantity. EXAMPLE8, 1. A merchant has spices, some at 9d. per Ib. some at Is. 
