The Gilbert Arithmetics, Βιβλίο 3C.B. Gilbert and Company, 1910 |
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Σελίδα
... equation in solving problems . Mathematically speaking , this is of the greatest consequence , introducing the child , as it does , to the higher forms of thinking involved in the use of general terms as distinguished from the merely ...
... equation in solving problems . Mathematically speaking , this is of the greatest consequence , introducing the child , as it does , to the higher forms of thinking involved in the use of general terms as distinguished from the merely ...
Σελίδα 88
... equation . or of a proportion . I. Equation : Base x Rate Base Percentage Percentage Rate Base + Percentage = Percentage . = Rate . Base . = Amount . Base - Percentage = Difference . These formulas should be memorized . II . Proportion ...
... equation . or of a proportion . I. Equation : Base x Rate Base Percentage Percentage Rate Base + Percentage = Percentage . = Rate . Base . = Amount . Base - Percentage = Difference . These formulas should be memorized . II . Proportion ...
Σελίδα 90
... equation : Amount - Base + Percentage . Mr. Sturgis had 48 cows . He increased his stock 25 per How many cows did he then have ? cent . SOLUTION : 48 x .25 12 ; = 481260 ; or , 48 = 100 % ; 100 % + 25 % = 125 % , 48 x 1.25 60 ...
... equation : Amount - Base + Percentage . Mr. Sturgis had 48 cows . He increased his stock 25 per How many cows did he then have ? cent . SOLUTION : 48 x .25 12 ; = 481260 ; or , 48 = 100 % ; 100 % + 25 % = 125 % , 48 x 1.25 60 ...
Σελίδα 93
... equation : = 4 × 25 = 100 . Base Percentage Rate . = 25 ÷ .25 = 100 . To find the base , rate and percentage being given , divide the percentage by the rate . 155. Find the base : WRITTEN EXERCISES RATE PER CENT PERCENTAGE RATE PER CENT ...
... equation : = 4 × 25 = 100 . Base Percentage Rate . = 25 ÷ .25 = 100 . To find the base , rate and percentage being given , divide the percentage by the rate . 155. Find the base : WRITTEN EXERCISES RATE PER CENT PERCENTAGE RATE PER CENT ...
Σελίδα 94
... equation 420 ÷ .15 = 2800 ; 2800 x $ .065 = $ 182 . By proportion : 100 % 15 % = x qt .: 420 qt . 420 qt . × 100 x = = 2800 qt . 15 13. Mr. Lathrop saves 81 % of his salary . What is his salary if he saves $ 75 ? 14. During a violent ...
... equation 420 ÷ .15 = 2800 ; 2800 x $ .065 = $ 182 . By proportion : 100 % 15 % = x qt .: 420 qt . 420 qt . × 100 x = = 2800 qt . 15 13. Mr. Lathrop saves 81 % of his salary . What is his salary if he saves $ 75 ? 14. During a violent ...
Συχνά εμφανιζόμενοι όροι και φράσεις
acres altitude amount apothem assessed average barrel base Base Percentage bonds bought bushels called cent circumference common fraction Company containing cubic feet cubic foot cylinder decimal denominate numbers deposited difference discount divide dividend divisible divisor dollars duty Eighth National Bank equal equation farm figure find the area Find the interest following numbers gallons greatest common divisor improper fractions kilogram least common multiple liter loan longitude measure meters miles minuend mixed number months mortgage Multiply negative quantity ORAL EXERCISES paid par value parallelopiped percentage poll tax pound premium problems quarts quotient ratio receive rectangle Reduce relay race remainder rods savings bank sell share slant height sold SOLUTION Solve square feet square root Subtract surface United whole number wide WRITTEN EXERCISES yard York
Δημοφιλή αποσπάσματα
Σελίδα 202 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Σελίδα 267 - OF TIME. 60 Seconds = 1 Minute 60 Minutes = 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Σελίδα 265 - Dry Measure. — 2 pints = 1 quart; 8 quarts = 1 peck; 4 pecks = 1 bushel.
Σελίδα 193 - A circle is a plane figure bounded by a curved line, every point of which is equally distant from a point within called the center.
Σελίδα 267 - Thirty days hath September, April. June, and November; All the rest have thirty-one, Save February, which alone Hath twenty-eight; and one day more "We add to it one year in four.
Σελίδα 22 - A number is divisible by 3 if the sum of its digits is divisible by 3• A number is divisible by 9 if the sum of its digits is divisible by 9.
Σελίδα 192 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Σελίδα 252 - ... tanks and reservoirs, flow of rivers, dimensions of stone, tonnage of ships, and other places where the cubic yard and foot are used. The thousandth part of the cubic meter (1 cubic decimeter) is called the LITER.