## Key to the North American arithmetic: part second and part third; for the use of teachers |

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0kil 1-fifth 1-fourth of 22 1-seventh 1-third 12 cents 15 dollars 2-fourths 2-ninths 21 dollars 23 carats 2d answer 30 cents 5-sixths 6-eighths 7-eighths 75 cents 9 cents 9 dollars 9 weeks acres of grass Allen's alloy apples ARTICLE barrels board cost Bond's Boston bushels centimes cents per Ib CHAP common denominator consume the growth Cook's hops cords cows cubic feet cubic inches denari Discount dred eight equal father's age gain gallons hare's hound Ifir Igal Ikil leaps loaf miles an hour million minus minute months nine North American Arithmetic number of acres number of oxen ounces oxen multiplied penny-weights pounds pure gold ratio repetend rix dol scholars second cup SECTION sheep solutions sq.ft square feet square yards ster ten-thousandths third thousand thousandths wheat at 90 whole numbers workmen can perform

### Popular passages

Page 68 - The first cup weighed 6 oz. If the first cup be covered, it will weigh twice as much as the second, but if the second cup be covered, it will weigh 3 times as much as the first. What is the weight of the second cup and cover ? ANALYSIS.

Page 67 - After receiving 5 times as much as he spent, he had 200 dollars. If he had received as much only as he had spent, he would have had $100; therefore the other $ 100 is 4 times as much as he spent. Ans. $25. 90. As the hare makes 4 leaps to the hound's 3, the hound makes 6 leaps to the hare's 8, and 2 leaps to the hare's...