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 Βιβλία Βιβλία ... oz., and 1 lb. of lead costs 14 cents. 395. Marble is 2.716 times as heavy as water, and 1 cu. ft. of water weighs 1000 oz. Find the weight of a block of marble 9 ft. 6 in. long, 2 ft. 3 in. wide, and 2 ft. thick. 396. Iron weighs 7.2... Recapitulatory examples in arithmetic - Σελίδα 36
των Alfred Hiley - 1882 - 149 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## Mensuration for Beginners: With Numerous Examples

Isaac Todhunter - 1869 - 296 σελίδες
...the construction. 10. A flat roof is 17 feet 4 inches long and 13 feet 4 inches wide ; find the cost of covering it with sheet lead one-sixteenth of an...thick, supposing that a cubic inch of lead weighs 6J ounces avoirdupois, and that 1 Ib. of it costs 3 W. 11. Find the cost of painting tho wall of a... ## Examples in arithmetic. (revised) by J. Bell, Τόμος 2

Henry Austin Oram - 1869
...cwt. 14 Ibs. as the decimal of 5 tons ; and find the value of •0375 of .1Z. + 5.09 of 2s. 9d. 21. What is the area of a flat roof 17 ft. 4 in. long and 13 ft. 4in. wide ; and what will be the expense of covering it with sheet lead yg. of an inch thick, if one... ## Explanatory mensuration for the use of schools

Alfred Hiley - 1871
...? find how many cubic feet of iron were used in its construction. (27) Find the expense of covering a flat roof, 17 ft. 4 in. long and 13 ft. 4 in. wide, with sheet-lead -^ of an inch thick, supposing that a cubic inch of lead weighs 6-^ oz. avoirdupois,... Henry Major - 1875
...take 10 men to mow the same field ? ULE 178. What is the area of aflat roof 17ft. 4in. longand 1 3 ft. 4 in. wide ? and what will be the expense of covering...inch of lead weighs 65 oz. avoirdupois, and that a lb. cost 3|d. ? ULE 179. Assuming that a cubic metre contains 1000litres and that a metre contains... ## Explanatory Mensuration

Alfred Hiley - 1879 - 188 σελίδες
...; find how many cubic feet of iron were used in its construction. (27) Find the expense of covering a flat roof, 17 ft. 4 in. long and 13 ft. 4 in. wide, with sheet-lead ^ of an inch thick, supposing that a cubic inch of lead weighs 6-^ oz. avoirdupois,... ## Oxford and Cambridge local examinations in arithmetic, the papers set ...

Richard Oscar T. Thorpe - 1885
...cwt. 14 Ibs. as the decimal of 5 tons ; and (3) find the value of -0375 of £1 + 5-00 of 2s. 9d. 8. What is the area of a flat roof, 17 ft. 4 in. long...thick, supposing that a cubic inch of lead weighs 6J oz. avoirdupois, and that a pound costs 3Jd. 1 9. Find the simple and compound interest on £112.... ## Catch questions in arithmetic and mensuration and how to solve them ..., Τόμος 2

Arthur Douglas Capel - 1885
...in width, and 10 ft. in depth, is valued at ^407, 3s. 2|d. At what rate is that per cubic foot? 23. What is the area of a flat roof 17 ft. 4 in. long...will be the expense of covering it with sheet lead one sixteenth of an inch thick, supposing that a cubic inch of lead weighs 6^ oz. avoirdupois, and... ## Exercises in Arithmetic

...in. long, and 2 ft. 6 in. wide, that it may hold 400 such books. 394. Find the expense of covering a flat roof 17 ft. 4 in. long and 13 ft. 4 in. wide with sheet lead y1^ in. thick, if a cubic inch of lead weighs &j oz., and 1 lb. of lead costs 14 cents.... ## Arithmetic

George Albert Wentworth - 1892 - 296 σελίδες
...in. long, and 2 ft. 6 in. wide, that it may hold 400 such books. 394. Find the expense of covering a flat roof 17 ft. 4 in. long and 13 ft. 4 in. wide with sheet lead ^ in. thick, if a cubic inch of lead weighs 6£ oz., and 1 lb. of lead costs 14 cents.... ## "Wentworth & Hill's Exercise Manual: Arithmetic, Τόμος 1

George Albert Wentworth - 1894
...in. long, and 2 ft. 6 in. wide, that it may hold 400 such books. 394. Find the expense of covering a flat roof 17 ft. 4 in. long and 13 ft. 4 in. wide with sheet lead T>F in. thick, if a cubic inch of lead weighs 6^ oz., and 1 lb. of lead costs 14 cents....