Exercises in ArithmeticGinn & Company, 1887 |
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Σελίδα 125
... cent of 480 is 12 ? 23. What per cent of 16,400 is 2624 ? 24. What per cent of 270 is 90 ? 25. What per cent of 90 is 270 ? 26. What per cent of 8217 is 1643.4 ? 27. What per cent of 4530 is 6040 ? 28. What per cent of 10,400 is 650 ...
... cent of 480 is 12 ? 23. What per cent of 16,400 is 2624 ? 24. What per cent of 270 is 90 ? 25. What per cent of 90 is 270 ? 26. What per cent of 8217 is 1643.4 ? 27. What per cent of 4530 is 6040 ? 28. What per cent of 10,400 is 650 ...
Σελίδα 128
... cent ? 81. If 80 cds . of wood are bought at $ 4.50 per cord , and sold so as to gain 331 % , what amount of money is gained ? 82. What per cent is made by buying coal by the long ton and selling it by the short ton , at the same price ...
... cent ? 81. If 80 cds . of wood are bought at $ 4.50 per cord , and sold so as to gain 331 % , what amount of money is gained ? 82. What per cent is made by buying coal by the long ton and selling it by the short ton , at the same price ...
Σελίδα 146
... cent ( to two decimal places ) is this of the whole number for that year ? 353. A cheese weighing 42 lbs . was sold for $ 9.08 . What was the rate per pound ? If the profit to the seller was 2 cents per pound , what is the per cent ...
... cent ( to two decimal places ) is this of the whole number for that year ? 353. A cheese weighing 42 lbs . was sold for $ 9.08 . What was the rate per pound ? If the profit to the seller was 2 cents per pound , what is the per cent ...
Σελίδα 147
... cent if the house had been sold for only $ 2300 ? 361. The population of Texas was 818,579 in 1870 , and 1,591,749 in 1880. Find ( i . ) the numerical increase , ( ii . ) the per cent of increase . 362. The population of the State of ...
... cent if the house had been sold for only $ 2300 ? 361. The population of Texas was 818,579 in 1870 , and 1,591,749 in 1880. Find ( i . ) the numerical increase , ( ii . ) the per cent of increase . 362. The population of the State of ...
Σελίδα 148
... cent of increase ? 369. During 1881 there were in the United Kingdom 1,135,672 births , and 654,199 deaths . During the same year 243,002 emigrants left the Kingdom , and 77,105 im- migrants entered it . What was the change in the total ...
... cent of increase ? 369. During 1881 there were in the United Kingdom 1,135,672 births , and 654,199 deaths . During the same year 243,002 emigrants left the Kingdom , and 77,105 im- migrants entered it . What was the change in the total ...
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acres altitude angle annum apothem average barrel base bill bought breadth bushels carpet cent stock cents per pound cents per square circle circumference cistern commission compound interest containing cube root cubic feet cubic foot cubic inches cylinder diagonal diameter discount distance Divide dollar dozen equal Find the amount Find the area Find the cost Find the value flour fraction frustum gain per cent gallons gals grocer height horses hypotenuse income insured invested least common multiple length long tons merchant miles Multiply note dated ounces paid payable piece places of decimals polygon premium profit quart radius received Reduce regular polygon remainder rhombus right triangle selling side simple interest Simplify slant height sold Square pyramid square root square yard Subtract sugar tons weighs worth yard wide yield
Δημοφιλή αποσπάσματα
Σελίδα 79 - 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 242 - A circle is a plane figure bounded by a curved line, called the circumference, every point of which is equally distant from a point within called the center.
Σελίδα 80 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 80 - CUBIC MEASURE 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Σελίδα 248 - ... as the squares of their radii, or as the squares of their...
Σελίδα 82 - The circumference of a circle is divided into 360 equal parts, called degrees ; each degree into 60 minutes ; each minute into 60 seconds.
Σελίδα 260 - A SPHERE is a solid, or volume, bounded by a curved surface, all points of which are equally distant from a point within, called the centre.
Σελίδα 35 - What does he gain or lose in his net income ? 70. 1. If $1350 at simple interest amount to $1570.50 in 1 year 8 months, find the rate per cent. 2. If by selling wine at $3 a gallon I lose 6 per cent, at what price must I sell it to gain 17J per cent? 3. Find the compound interest on $ 750 for 5 years at 2J per cent.
Σελίδα 242 - It follows that the ratio of the circumference of a circle to its diameter is the same for all circles.
Σελίδα 78 - MEASURE 12 inches (in.) = 1 foot (ft). 3 feet = 1 yard (yd.). 5J yards or Щ feet = 1 rod (rd.) . 320 rods = 1 mile (mi.). SURFACE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.). 9 square feet = 1 square yard (sq.