# Manual of Intellectual Arithmetic: An Independent Treatise Upon the Basis of Mental Arithmetic

R. S. Davis, 1877 - 151 σελίδες

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### Περιεχόμενα

 Ενότητα 1 3 Ενότητα 2 4 Ενότητα 3 5 Ενότητα 4 25 Ενότητα 5 54 Ενότητα 6 55
 Ενότητα 7 58 Ενότητα 8 81 Ενότητα 9 84 Ενότητα 10 136 Ενότητα 11 140 Πνευματικά δικαιώματα

### Δημοφιλή αποσπάσματα

Σελίδα 34 - ... miles an hour, how far apart will they be at the end of 1 hour ? At the end of 2 hours ? 4 hours ? 10 hours ? Why ? 4.
Σελίδα 80 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 121 - The head of a fish is 12 inches long, the tail is as long as the head + £ of the body, and the body is as long as the head and tail ; what is the length of the fish ? 4.
Σελίδα 82 - Table. 60 seconds (sec.) make 1 minute, m 60 minutes, 1 hour, h 24 hours, 1 day, d 365 days, 1 common year, c.
Σελίδα 122 - A and B start from the same point, and travel in the same direction around a square, each side of which measures 5 miles ; A travels at the rate of 4| miles an hour, and B at the rate of 3 miles an hour ; in what time will they be together again ? How many miles will each have traveled ? How many times will each .have been around the square ? 16.
Σελίδα 73 - TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES
Σελίδα 35 - There is an orchard consisting of ten rows of trees, and nine trees in each row ; how many trees are there in the orchard ? 12.
Σελίδα 113 - Two men can each do % of a piece of work in 1 day; how long will it take them both to do the whole ? 6. Two men set out to mow a field ; the first...
Σελίδα 45 - At 8 cents a pound, how many pounds of sugar can be bought for 6 dozen of eggs, at 12 cents a dozen ? 31.
Σελίδα 34 - If 2 men start from the same place and travel in opposite directions, one at the rate of 4 miles an hour, and the other at the rate of 5 miles an hour, how far apart will they be at the end of 1 hour ? At the end of 2 hours ? 5 hours?