A Manual for Teachers: Including Definitions, Principles, and Rules and Solutions of the More Difficult ProblemsD.C. Heath, 1895 - 352 σελίδες |
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Σελίδα 99
... gain or the loss before com- mencing his equation . The formula employed in the first five examples is : Cost X rate 100 = gain or loss . When the pupil knows any two of these three terms , he can calculate the third ; and 6-15 furnish ...
... gain or the loss before com- mencing his equation . The formula employed in the first five examples is : Cost X rate 100 = gain or loss . When the pupil knows any two of these three terms , he can calculate the third ; and 6-15 furnish ...
Σελίδα 100
... Gain of $ 275 . 22. x % of 60 = 15 . 28. x - 33.60 . 100 29. Gain 21 % of X 3 x 23. x + 2 = 960 . 5 24. x % of 32 = 16 . х 30. x = 70 . 10 4 10 31. 6000 : = x x % of 16000 . 32. 6000 = X x % of 24000 . 25. x % of 175 = 25 . 26. x % of ...
... Gain of $ 275 . 22. x % of 60 = 15 . 28. x - 33.60 . 100 29. Gain 21 % of X 3 x 23. x + 2 = 960 . 5 24. x % of 32 = 16 . х 30. x = 70 . 10 4 10 31. 6000 : = x x % of 16000 . 32. 6000 = X x % of 24000 . 25. x % of 175 = 25 . 26. x % of ...
Σελίδα 108
... gains on a 1 apple , or 25 % ; the second gains , or 20 % . 9. Sold ( 20 × 20 ) sq . rd . + 16 sq . rd . 15. The pupil should be able to state the rule . 19. x + 2x = 1050 . 21. ( [ ( 35 + 23 + 35 + 23 ) × 13 ] + [ 35 × 23 ] ) ÷ 9 . 914 ...
... gains on a 1 apple , or 25 % ; the second gains , or 20 % . 9. Sold ( 20 × 20 ) sq . rd . + 16 sq . rd . 15. The pupil should be able to state the rule . 19. x + 2x = 1050 . 21. ( [ ( 35 + 23 + 35 + 23 ) × 13 ] + [ 35 × 23 ] ) ÷ 9 . 914 ...
Σελίδα 109
... gain on which is of 1174 gal . worth $ .80 X3 of 1174 . = 6. 30 % of cost ( x ) = 21 . 3 919. 1. ( a ) $ 48.50 + ( $ 48.50 × 16 × 68 ) = $ 48.50 + .51 $ 49.01 . Ans . == Omitting days of grace , $ 48.50 + ( $ 48.50 × 180 × 38 ...
... gain on which is of 1174 gal . worth $ .80 X3 of 1174 . = 6. 30 % of cost ( x ) = 21 . 3 919. 1. ( a ) $ 48.50 + ( $ 48.50 × 16 × 68 ) = $ 48.50 + .51 $ 49.01 . Ans . == Omitting days of grace , $ 48.50 + ( $ 48.50 × 180 × 38 ...
Σελίδα 122
... gain , which is 20 % , or , of the cost of the goods ; 5x cost ; 5x + x , or 6x , selling price . NOTE . -- = = x , the gain , is of selling price , 6x . The amount of money given in these two examples , $ 1200 , does not affect either ...
... gain , which is 20 % , or , of the cost of the goods ; 5x cost ; 5x + x , or 6x , selling price . NOTE . -- = = x , the gain , is of selling price , 6x . The amount of money given in these two examples , $ 1200 , does not affect either ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
12 rods acres algebraic altitude amount angle answer apothem Arithmetic ascertain base bisecting bushels Cancel cents chord ciphers circle circumference common fraction construct contains cost days of grace denominate numbers diameter difference discount dividend dividing division divisor draft draw drills employed equal equation examples exercises factors feet frustum gain give given greatest common divisor hypotenuse improper fraction inches least common multiple length March 17 measure method miles minuend mixed numbers multiplicand multiplying necessary number of degrees number of square obtain par value payment perpendicular pounds principal problems protractor pupils quarts quotient figure radius rectangle reduce remainder result rhombus right-angled triangle rods RULE scholars selling price side slant height solve subtraction subtrahend teacher whole number write written yards
Δημοφιλή αποσπάσματα
Σελίδα ii - Multiplying or dividing both terms of a fraction by the same number does not alter the value of the fraction.
Σελίδα 20 - I. Write the divisor at the left of the dividend, with a line between them.
Σελίδα xv - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit.
Σελίδα 173 - The stock is the money invested in the business of the corporation ; a share is one of the equal parts into which the stock is divided ; a...
Σελίδα xiii - THE UNITED STATES RULE. Find the amount of the principal to the time when the payment, or sum of the payments, equals or exceeds the interest. From this amount deduct the payment or sum of the payments.
Σελίδα iv - Reduce the fractions to a common denominator and divide the numerator of the dividend by the numerator of the divisor.
Σελίδα xvi - In any proportion the product of the means is equal to the product of the extremes.
Σελίδα iii - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.
Σελίδα 126 - Multiply the sum of the parallel sides by the perpendicular distance between them, and half the product will be the area.
Σελίδα 21 - RULE. Divide the given number by any prime factor ; divide the quotient in the same manner, and so continue the division until the quotient is a prime number.