School Arithmetic for Grammar GradesAmerican Book Company, 1909 - 371 σελίδες |
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Σελίδα 35
... average cost per mile of a fleet of freight boats on the Great Lakes was : coal 134 , crew 12 , repairs 174 , supplies 74. The average cost per mile of a freight train hauling the same freight was : coal 74 , crew 371 , repairs 1952 ...
... average cost per mile of a fleet of freight boats on the Great Lakes was : coal 134 , crew 12 , repairs 174 , supplies 74. The average cost per mile of a freight train hauling the same freight was : coal 74 , crew 371 , repairs 1952 ...
Σελίδα 40
... average $ 3.60 per hour . How much does he collect in 11 hours ? 12. In 4 days a carpenter worked 71⁄2 hours , 8 ... averages 58 miles per hour . How far does it travel in 163 hours ? 15. A roller in a steel mill rolls 1183 tons , 2211 ...
... average $ 3.60 per hour . How much does he collect in 11 hours ? 12. In 4 days a carpenter worked 71⁄2 hours , 8 ... averages 58 miles per hour . How far does it travel in 163 hours ? 15. A roller in a steel mill rolls 1183 tons , 2211 ...
Σελίδα 42
... average shipment of ore from a mine per week of 6 days is 347 tons . If $ 12 is the average profit realized from each ton of ore , find the net profit for 40 weeks . 44. A mail carrier's deliveries average 237 pounds . How many pounds ...
... average shipment of ore from a mine per week of 6 days is 347 tons . If $ 12 is the average profit realized from each ton of ore , find the net profit for 40 weeks . 44. A mail carrier's deliveries average 237 pounds . How many pounds ...
Σελίδα 43
... average amount of water used by each person is 62 gallons per day , find the number of gallons of water used in 90 days . 49. If a motorman receives $ 1 per hour , how much does he earn in 7 weeks of 6 days each , working 10 hours per ...
... average amount of water used by each person is 62 gallons per day , find the number of gallons of water used in 90 days . 49. If a motorman receives $ 1 per hour , how much does he earn in 7 weeks of 6 days each , working 10 hours per ...
Σελίδα 46
... average number of tons per acre is 11 tons . 46. An automobile's average rate of speed is 25 miles per hour . How far does it travel in 33 hours ? 47. Estimate the value for one season of a Vermont sugar camp at $ 1 per pound if 6 ...
... average number of tons per acre is 11 tons . 46. An automobile's average rate of speed is 25 miles per hour . How far does it travel in 33 hours ? 47. Estimate the value for one season of a Vermont sugar camp at $ 1 per pound if 6 ...
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30 days acres altitude angle annual average barrel base bill board foot bonds Bordeaux mixture bought brokerage bushel buys cash cent Chicago commission contains convex surface corn cube cylinder denominator diameter discount divided dividend divisor dollar draft equal factors farm Find the amount Find the cost Find the number Find the nutritive Find the value foot fractional units gain gallons grain gram inches income indorsed interest invested JOSEPH HORNE CO length long ton longitude merchant meridian meter miles months multiplying nutritive ratio paid par value Paris green payable payment phosphoric acid Pittsburg pound premium prime meridian prism profit purchased pyramid quotient received selling Sept share side slant height sold solid specific gravity spraying square yard subtracted timothy hay tons triangles unit of measure volume wide Written
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Σελίδα 321 - The slant height of a cone is the distance between the vertex and any point in the circumference of the base. A globe or sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within, called the center.
Σελίδα 25 - Multiplying or dividing both terms of a fraction by the same number does not change its value. Changing a fraction to higher terms. 1. Explain why a fraction is expressed in smaller fractional units when it is changed to higher terms. 2. Explain why changing a fraction to higher terms does not change the value of the fraction. Change:
Σελίδα 12 - MULTIPLICATION AND DIVISION Multiplication is the process of taking one number as many times as there are units in another. The multiplicand is the number multiplied. The multiplier is the number by which we multiply. The product is the result of multiplication. The sign x indicates multiplication.
Σελίδα 321 - The slant height of a pyramid is the altitude of the triangles that bound it. A cone is a solid whose base is a circle, and whose convex surface tapers uniformly to a point called the vertex. The altitude of a pyramid, or of a cone, is the perpendicular distance from the vertex to the base.
Σελίδα 290 - Observe how the product of the extremes in each proportion compares with the product of the means. In every proportion the product of the means is equal to the product of the extremes. 1.
Σελίδα 289 - denominator Since the antecedent of a ratio may be regarded as the numerator, and the consequent as the denominator of a fraction, both terms of a ratio may be multiplied or divided by the same number without changing the value of the ratio. Find the ratio of : 3. 4. 5. 6. 10 to 5 5 to 15 8 to 2
Σελίδα 319 - MENSURATION Rectangular surfaces, rectangular solids, and the cylinder have been treated under Practical Measurements. REGULAR POLYGONS A plane is a surface such that a straight line joining any two of its points lies wholly in the surface. A polygon is a plane figure bounded by straight lines. A regular polygon is a plane figure having equal sides and equal angles.
Σελίδα 136 - means three.") A vertex of a triangle is a point where two sides meet. The base of a triangle is the side on which it seems to rest. The altitude of a triangle is the perpendicular distance from the vertex opposite the base to the base, or the base extended. TRIANGLES