Graded Problems in Arithmetic and Mensuration

Εξώφυλλο
E.H. Butler & Company, 1880 - 232 σελίδες
 

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Δημοφιλή αποσπάσματα

Σελίδα 37 - A and B can do a piece of work in 12| days, and A alone can do it in 28^- days.
Σελίδα 120 - COUNTING. 12 units or things make 1 dozen. 12 dozen " 1 gross. 12 gross " 1 great gross. 20 units
Σελίδα 120 - DIVISIONS OF THE CIRCLE. 60 Seconds = 1 Minute. 60 Minutes = 1 Degree. 30 Degrees = 1 Sign. 90 Degrees = 1 Quadrant. 360 Degrees, or 12 Signs = 1 Circumference. Formerly the subdivisions were carried on by sixties ; thus, the second was divided into 60 thirds, the third into 60 fourths, &c.
Σελίδα 83 - If 15 men can do a piece of work in 12£ days of 10 hours each, in how many days of 8 hours each could 50 men do 3^ times as much work, the latter work being 25% easier than the former?
Σελίδα 109 - From half the sum of the three sides subtract each side ; multiply the half sum and the three remainders together, and the square root of the product will be the area required.
Σελίδα 119 - Liquid Measure. — 4 gills = 1 pint; 2 pints = 1 quart; 4 quarts = 1 gallon; 31| gallons = 1 barrel; 2 barrels = 1 hogshead.
Σελίδα 92 - To change dollars and cents to cents, or dollars, cents, and mills to mills, remove the decimal point and the sign, $. 5.

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