## A Key to the Standard Arithmetic and the Mental Arithmetic |

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### Contents

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### Common terms and phrases

25 cents 50 cents 9 mo A's money Am't amount due amount of principal B's share bank discount barrel bought carriage chestnut rails cistern compound interest consequently contained cows cube root difference in longitude distance draft earned entire cost equal to f f of B's farm feet flour given principal hence hitherto unpaid horse cost hour hand income interest for 15 investment June 24 length marbles March 9 marked price miles an hour miles per hour minute spaces mixture number in 2d number of bushels number of shares number of sheep ounces oxen paid past noon payment piece present worth principal for 3d quantity quarts remainder require rods selling price sold sum expended tons Total int true discount twice Unpaid Yearly Int week weighs whole number yards

### Popular passages

Page 53 - A person, being asked the time of day, replied, " The time past noon is equal to ^ of the time to midnight.

Page 5 - A and B can do a piece of work in 4 days, B and C in 5J days, and A and C in 44 days.

Page 5 - J of it in 1 day, how much would both do in a day ? How long would it take them both together to do the whole ? 147.

Page 161 - The volumes of similar solids are to each other as the cubes of their like dimensions.

Page 53 - ... f of the time to midnight equals the time from noon to midnight, which is 12 hours; consequently £ of the time to midnight is f hours, and the time to midnight is -^ hours, equal to 7£ hours.

Page 5 - What is the interest of 100 and 37 dollars for 2 years 3 months and 20 days ? 144. A can do a piece of work in 2 days ; how much of it can he do in 1 day ? 145. B can do a piece of work in 4 days; how much of it can he do in 1 day? 146. If A can do £ of a piece of work in 1 day, and B can do | of it in 1 day, how much would both do in a day...

Page 149 - The areas of similar surfaces are to each other as the squares of their like dimensions.

Page 140 - The head of a fish is 7 inches long, the tail is as long as the head and |- of the body, and the body is as long as the head and tail ; what is the length of the fish ? 9.

Page 30 - The amount of a certain principal for 5 years at a certain rate is $665, and for 8 years at the same rate it is 1779.