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SUPPLEMENT to Practice.

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QUESTIONS. 1. What is practice? 2. War is it so called ? 3. When the price of 1 yard, &c. is farthings, how is the value of any given

quantity found at the same rate? 4. When the price consists of pence and farthings, and is an even part of 1s.

how is the value of any given quantity found ? 5. When the price is pence and farthings, and not an even part of 18. what is

the method of procedure ? 6. When the price consists of shillings, pence, and farthings, how is the value

of any given quantity found ? 7. When the price contains shillings and fence and is an even part of £ 1 how

'is the operation to be conducted ? 8. When the price consists of shillings only and an even number, what is the

most direct way to find the value of any given quantity ? 9. When the quantity contains fractions, as 1; 1; }; Sc. how are they to be

treated ? 10. When the price consists of pounds, and lower denominations, how is the

value of any given quantity found ? 11, When the prices are given in Dollars, Cents, and Mills, how is the value

of any given quantity found in federal money 12. What is the method of proof? 13. How are the operations in Federal Money proved ?

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EXERCISES IN PRACTICE. In the following exercises, the attention of the scholar must be excited first to consider to which of the preceding cases each question is to be referred. I liat being ascertained, he will proceed in the operation according to the instruction there given

1. What will 745 yards cost at 11d. per yard ? Answer, £ 34 38. 7.d.

UNDER Which of the. preceding cases does this question properly belong?

WHAT must be done witb the fraction of a yard) in the quantity ?

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N. B. The following questions are left without any answers, that the Schol. ar may operate and prove each question. 19. What will 11 yards of flannel, at 2s6 per yard, come to ? OPERATION

Proor.

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21. WHAT Will 183 yards of ribbon come to, at 8d. per yard ?

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