Manual of Intellectual Arithmetic: An Independent Treatise Upon the Basis of Mental ArithmeticR. S. Davis, 1877 - 151 σελίδες |
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12 cents 12 days 12 dollars 20 days 20 per cent 60 cents 60 dollars 9 cents 9 dollars acre amount barrel of flour bought boys bushels of corn cents a dozen cents a pound cents a quart Change contained cords of wood cows cubic feet denominator dimes discount divided dollars a bushel dollars a yard drams Dry Measures earn equal equivalent mixed number flour cost Fort Kearney fourths furlongs gain gallons gave halves hundred hundred twenty-two hundred-weight inches interest of $100 James John lars less LESSON lowest terms miles an hour months Multiply oranges Oregon City ounces paid paper of pins peaches pecks pennyweights pints pound cost pounds of sugar present worth principal proper fraction quotient rate per cent reap receive remainder sell seven sheep sixths SOLUTION square miles Subtract tens third thousand Troy Weights units weeks Write by figures yards of cloth
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Σελίδα 82 - 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 30 - ... 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 84 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 125 - 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 86 - Time is a measured portion of duration. Table. 60 seconds (sec.) are 1 minute, m. 60 minutes, 1 hour. h. 24 hours, 1 day, d. 365 days, 1 common year, cy 366 days, 1 leap year, 1. y. Also, 7 days are 1 week, w.
Σελίδα 126 - 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 77 - 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 30 - 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?
Σελίδα 31 - 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 117 - Two men can each do f- 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...