...hundred ; from this sum subtract g of a score, and divide the remainder by 17J. 17. Gunpowder being composed of nitre 15 parts, charcoal 3 parts, and sulphur 2 parts; find how much of each is required in making 16 cwt. of powder. 18. I take successively i and then 1...

...£41. 5s., and С gets £52. 10«. He pays J of £1, or 2«. 6d., in the £. Ex. 14. Gunpowder being composed of nitre 15 parts, charcoal 3 parts, and sulphur 2 parts; find how much of each is required for 16 cwt. of powder. The whole number of parts = (15 + 3 + 2) =...

...; how much gold, silver, and copper respectively are contained in the mixture ? 12. Gunpowder being composed of nitre 15 parts, charcoal 3 parts, and sulphur 2 parts, find how much of each is required in making 16 cwt. of powder. 13. Two engines 50 miles apart are approaching...

...£41. 6*., and C gets £52. 10*. He pays J of £1., or 2*. 6d., in the £. Ex. 14. Gunpowder being composed of nitre 15 parts, charcoal 3 parts, and sulphur 2 parts; find how much of each is required for 16 cwt. of powder. The whole number of parts= (15 + 3 + 2) =...

...together £35 1o?. in 42 days. Compare the rate of wages of A, B, C. Ans. 28 : 35 : 36. 7. Gunpowder being composed of nitre 15 parts, charcoal 3 parts, and sulphur 2 parts, find how much of each there is in 16 cwt. of powder. Ans. 12 cwt. nitre, 25 cwt. charcoal, 1§cwt....

...fraction ; (3) find ( - J ; (4) determine the square root \ '0J / of 906-67834321. 8. Gunpowder being composed of nitre 15 parts, charcoal 3 parts, and sulphur 2 parts, find what weight of each ingredient is required for 1 ton 10 cwts. of powder. 3.2 _ 4 9. (1) Show that,...

...6s. 9d., what should be the rent of a man whose taxes come to £94 16s. l£<i ? 9. Gunpowder being composed of nitre 15 parts, charcoal 3 parts, and sulphur 2 parts; find howmuch of each is required in making 16 cwt. of powder. 10. I take successively -£- and then...

...4928-742025, (") , , ~. ¡02*0 Ans. 70-205; -86. CHAPTEB II. SANDHUBST, DECEMBEB, 1861. Gunpowder being composed of nitre 15 parts, charcoal 3 parts, and sulphur 2 parts, find what weight of each ingredient is required for 1 ton 12 cwt. of gunpowder ? 1 1 ton 4 cwt. 0 qrs....

...ft. long and 10 ft. high ; how many square feet of wall will remain uncovered ? 12. Gunpowder being composed of nitre 15 parts, charcoal 3 parts, and sulphur 2 parts, find how much of each is required in making 16 cwt. of powder. 13. If 1 Ib. avoirdupois = 7,000 grains...

...reads thus: A gentleman gave away f of the books in his library, lent £ of the remainder, and sold J of what was left. He then had 420 books remaining. How many liad he at first? This problem was treated in many instances in the same way as the one just cited;...