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Σελίδα 137 - 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.
Σελίδα 83 - 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...
Σελίδα 89 - An improper fraction is one in which the numerator is equal to or greater than the denominator, such as ^ , ^ , or ^ . 4.
Σελίδα 137 - ... p. 40 poles, or 220 yards 1 furlong, fur. 8 furlongs, or 1760 yards 1 mile, M. 3 miles .1 league, L.
Σελίδα 134 - 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?
Σελίδα 89 - 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...
Σελίδα 130 - 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.
Σελίδα 89 - A mixed number consists of a whole number and a fraction; as 43, 7f, &c.
Σελίδα 126 - 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...
Σελίδα 127 - 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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