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" If 180 men, in 6 days of 10 hours each, can dig a trench 200 yards long, 3 wide, and 2 deep ; in how many days, of 8 hoars long, will 100 men dig a trench of 360 yards long, 4 wide, and 3 deep ? Ans. "
Arithmetic, for use in schools - Σελίδα 251
των John Barter (of the science and art coll, Plymouth.) - 1877
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...barrels will be drank by 16 persons in the space o£a year?. ^ Ans. 60| barrels., 9. If 180 men, in/6 days ^ of 10 hours each, can dig a trench 200 yards long, 3 wide, and 2 deep g in how many, days, of 8 hours long, will 100 men dig a treii-ch of 360 yards Jong,...

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...Ans. .00238+. 26. What is the value of .4694 lbs. Troy ? Ans. 5 oz. 12 dwts. 15.74 grs. 27. If 180 men in 6 days of 10 hours each, can dig a trench 200 yards long, 3 wide, and 2 deep ; in how many days of 8 hours long, will 100 men dig a trench of 360 yds. long, 4...

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