A Mental Arithmetic: Based on Analysis and InductionAmerican Book Company, 1896 - 140 σελίδες |
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Σελίδα 18
... acres and 13 acres ? 22 marbles and 16 marbles ? 15. How many are― 20 + 10 ? 20 + 40 ? 30 + 30 ? 20 + 30 ? 12 + 10 ? 20 + 20 ? 30 + 50 ? 40 + 30 ? 70 + 20 ? 12 + 20 ? 40 + 50 ? 60 + 30 ? 50 + 20 ? 40 + 40 ? 12 + 30 ? 16. How many are ...
... acres and 13 acres ? 22 marbles and 16 marbles ? 15. How many are― 20 + 10 ? 20 + 40 ? 30 + 30 ? 20 + 30 ? 12 + 10 ? 20 + 20 ? 30 + 50 ? 40 + 30 ? 70 + 20 ? 12 + 20 ? 40 + 50 ? 60 + 30 ? 50 + 20 ? 40 + 40 ? 12 + 30 ? 16. How many are ...
Σελίδα 20
... acres of land from a farm containing 32 acres ; how many acres had he remaining ? 28. A tree 45 feet high was injured in a storm ; how much remained if 22 feet were broken off ? 29. James bought a bicycle for 45 dollars , and 20 MENTAL ...
... acres of land from a farm containing 32 acres ; how many acres had he remaining ? 28. A tree 45 feet high was injured in a storm ; how much remained if 22 feet were broken off ? 29. James bought a bicycle for 45 dollars , and 20 MENTAL ...
Σελίδα 23
... acres of land cost , at 105 dollars an acre ? 18. If 15 men can do a piece of work in 20 days , how long will it take 1 man to do it ? 19. B bought 12 pairs of chickens , at 50 cents a pair ; how much did they cost ? 20. How many are ...
... acres of land cost , at 105 dollars an acre ? 18. If 15 men can do a piece of work in 20 days , how long will it take 1 man to do it ? 19. B bought 12 pairs of chickens , at 50 cents a pair ; how much did they cost ? 20. How many are ...
Σελίδα 25
... acres of land were sold for 960 dollars ; what was the average price per acre ? 6. A man can do a piece of work in 279 days ; in what time can 9 men do it ? 7. A boy paid 64 cents for oranges , at 4 cents apiece ; how many did he buy ...
... acres of land were sold for 960 dollars ; what was the average price per acre ? 6. A man can do a piece of work in 279 days ; in what time can 9 men do it ? 7. A boy paid 64 cents for oranges , at 4 cents apiece ; how many did he buy ...
Σελίδα 26
... acres of land cost 726 dollars ; what was the cost of 1 acre ? Required the price per pound , yard , etc.- 27. 26 . MENTAL ARITHMETIC .
... acres of land cost 726 dollars ; what was the cost of 1 acre ? Required the price per pound , yard , etc.- 27. 26 . MENTAL ARITHMETIC .
Άλλες εκδόσεις - Προβολή όλων
A Mental Arithmetic: Based on Analysis and Induction (Classic Reprint) George Washington Hull Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
A Mental Arithmetic: Based on Analysis and Induction George Washington Hull Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2019 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 dollars 15 cents 40 cents 50 cents 60 days acres acres of land amount apples barrel bought a number boys bushels carriage cents a dozen cents a pound cents a yard cents apiece coal cost commission contained cows cubic decagram decimeter discount Divide dollars a head dollars apiece drover earn farmer bought farmer sold feet gain per cent gained 25 gallons hectoliter hectometer hence improper fractions kilogram least common denominator least common multiple less loss per cent lowest terms M's money marbles marked price melons cost meter miles an hour minus mixed number multiplied myriameter number of sheep oranges cost ounces paid pennyweights piece pound cost pounds of sugar received Reduce to improper remainder for cost remaining required the cost required the number rods selling price shares sheep cost SOLUTION.-If square sum of money tons Troy Weight watch weeks
Δημοφιλή αποσπάσματα
Σελίδα 69 - Thirty days hath September, April, June, and November— All the rest have thirty-one, Excepting February alone, Which has but twenty-eight in fine, Till Leap Year gives it twenty-nine.
Σελίδα 66 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 68 - Measure. 60 seconds (sec.) 1 minute (min.) 60 minutes 1 hour (hr.) 24 hours 1 day (da.) 7 days 1 week (wk.) 365 days 1 common year (yr.) 366 days 1 leap year Years divisible by 4 and not by 100 are leap years.
Σελίδα 66 - 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 65 - Measure is used in measuring lines or distances. TABLE. 12 inches (in.) = 1 foot (ft.). 3 feet = 1 yard (yd.). 5J yards, or 16| feet — 1 rod (rd.).
Σελίδα 68 - Dry Measure 2 pints (pt.) =1 quart (qt.) 8 quarts = 1 peck (pk.) 4 pecks = 1 bushel (bu.) 2150.42 cu.
Σελίδα 67 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...
Σελίδα 30 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.
Σελίδα 101 - The square root of a number is one of its two equal factors.
Σελίδα 13 - Multiplication is the process of taking one number as many times as there are units in another.