The 'Eclectic' arithmetic

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Page 131 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq. yd.) 30^ square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Page 77 - DERIVES its name from the metre, which is the unit of length, and is the ten-millionth part of a quadrant of the meridian, or the ten-millionth part of the distance between the poles and the equator. The principle on which it is founded is, that ten of any name make one of the next higher name; hence arithmetical operations in this system are performed as in simple numbers. In the following...
Page 83 - An improper fraction is one in which the numerator is equal to or greater than the denominator, such as ^ , ^ , or ^ . 4.
Page 131 - ... p. 40 poles, or 220 yards 1 furlong, fur. 8 furlongs, or 1760 yards 1 mile, M. 3 miles .1 league, L.
Page 128 - If a family of 9 persons spend $480 in 8 months, how much will serve a family of 24 persons living at the same rate for 16 months?
Page 83 - A PROPER FRACTION is one in which the numerator is less than the denominator. The value of every proper fraction is less than 1, (Art. 94). The following are proper fractions : 1 1 1 .3 3. £ 9 jS A 2...
Page 124 - If 15 men, 12 women, and 9 boys, can complete a piece of work in 50 days, what time would 9 men, 15 women, and 18 boys, take to do twice as much, the parts done by each in the same time being as the numbers 3, 2, and 1 ? A.
Page 83 - A mixed number consists of a whole number and a fraction; as 43, 7f, &c.
Page 120 - When $8 will buy 40 rakes, how many can be bought for $11? 11. If 12 men can do a piece of work in 6 days, how many days will it take 9 men to do the same ? SOLUTION. — If 12 men can do the work in 6 days, it will take 1 man 12 times 6 days, or 72 days, to do it, and 9 men 1 ninth of 72 days, or 8 days. 12. If 7 men can dig a ditch in 8 days, how many days will be required for 14 men to dig it? 13. If 6 horses eat a bag of oats...
Page 121 - I2s., 15 at 4*. 6d., and 18 at 5^. gd. ; what will be the price of a gallon of the mixture, so that he may gain 2/. 5s.

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