Mental Arithmetic |
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Page 27
... contained times in 6 , which are 3 . 2. At 3 cents each , how many pears can I buy for 12 cents ? 3. If a boy walks 2 miles an hour , in how many hours will he walk 14 miles ? 4. If 1 pencil costs 5 cents , how many pencils can be ...
... contained times in 6 , which are 3 . 2. At 3 cents each , how many pears can I buy for 12 cents ? 3. If a boy walks 2 miles an hour , in how many hours will he walk 14 miles ? 4. If 1 pencil costs 5 cents , how many pencils can be ...
Page 28
... contained times in 12 , which are 2 . SOLUTION ( 2 ) .— If 6 peaches cost 12 cents , 1 peach costs one- sixth of 12 cents , or 2 cents . 14. If 5 boys earn 30 dollars , how many dollars does 1 boy earn ? 15. How many men will do a piece ...
... contained times in 12 , which are 2 . SOLUTION ( 2 ) .— If 6 peaches cost 12 cents , 1 peach costs one- sixth of 12 cents , or 2 cents . 14. If 5 boys earn 30 dollars , how many dollars does 1 boy earn ? 15. How many men will do a piece ...
Page 29
... contained in 14 ? SOLUTION . - Two are contained in 14 , 7 times , since 7 times 2 are 14 . 100 ? In 48 ? In 54 ? In 48 ? 30. How many times are 3 contained in 15 ? In 18 ? In 21 In 27 ? In 24 ? In 30 ? In 36 In 39 ? 31. How many times ...
... contained in 14 ? SOLUTION . - Two are contained in 14 , 7 times , since 7 times 2 are 14 . 100 ? In 48 ? In 54 ? In 48 ? 30. How many times are 3 contained in 15 ? In 18 ? In 21 In 27 ? In 24 ? In 30 ? In 36 In 39 ? 31. How many times ...
Page 33
... contained in a number 15 times , how many times are 4 contained in it ? 18. If a tree 8 feet high casts a shadow 3 feet long , how high must a tree be to cast a shadow 27 feet long ? 19. If your slate is 12 inches long and 9 inches wide ...
... contained in a number 15 times , how many times are 4 contained in it ? 18. If a tree 8 feet high casts a shadow 3 feet long , how high must a tree be to cast a shadow 27 feet long ? 19. If your slate is 12 inches long and 9 inches wide ...
Page 35
... contained in a number 15 times , how many times are 4 contained in it ? 18. If a tree 8 feet high casts a shadow 3 feet long , how high must a tree be to cast a shadow 27 feet long ? 19. If your slate is 12 inches long and 9 inches wide ...
... contained in a number 15 times , how many times are 4 contained in it ? 18. If a tree 8 feet high casts a shadow 3 feet long , how high must a tree be to cast a shadow 27 feet long ? 19. If your slate is 12 inches long and 9 inches wide ...
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Common terms and phrases
12 cents 12 rods 16 dollars 16 less 25 cents 60 cents acres amount apiece avoirdupois barrel boys earn buggy bushels of wheat cents a dozen cents a pound cents a quart cents a yard chestnuts chickens cistern contained cow cost cubic cubic foot denominator dimes discount divided drover eighths equal feet long feet wide Find the cost flock fraction gain or lose gain per cent gained 20 gallons gave Harry horse cost improper fractions inches interest John least common denomi less 16 less 9 loss per cent lost marbles marked price miles an hour minus minutes months nator ninths oranges ounces paid peaches pears pecks pennyweights piece pounds cost pounds of butter pounds of coffee pounds of sugar quinces receive Reduce remainder ride selling price sheep sold SOLUTION.-Since spend spent square third tons turkeys weeks weigh worth yards of cloth
Popular passages
Page 106 - 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.
Page 108 - TIME 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 (1.
Page 101 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Page 102 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Page 35 - A, after traveling 2 hours, at the rate of 5 miles an hour, was followed by B, at the rate of 7 miles an hour ; in how many hours would В overtake A ? 3.
Page 93 - If 5 men can do a piece of work in 10| days, how long will it take 1 man to do the same ? 12.
Page 122 - A man sold two farms for $1,890 each. On one he gained 25%, and on the other he lost 25%.
Page 110 - NUMBERS. 12 units = 1 dozen. 12 dozen — 1 gross. 12 gross = 1 great gross. 20 units = 1 score.
Page 107 - TABLE. 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.). 27 cubic feet = 1 cubic yard (cu. yd.). 53. Wood Measure is used in measuring wood and other merchandise. TABLE. 16 cubic feet = 1 cord foot (cd. ft.). 8 cord feet or 128 cubic feet = 1 cord (cd.).