Εικόνες σελίδας
PDF
Ηλεκτρ. έκδοση
[blocks in formation]

When the price is not less than a penny, but less than a shilling, and is an aliquot part of a shilling, work by

RULE 2.

Set down the value of the given number at a shilling, and take such part of it as the price is of a shilling, for the answer.

EXAMPLES.

1. What is the value of 7612 lb. of rosin, at 1 d. per lb. and also at 1 d. per lb.?

[blocks in formation]

1d. 7612 value at 1 s. 1 d. | | 761% value at 1 s.

210)63|4 4

210)95 1 6

Ans. redu. 31L. 14 s. 4d. Ans. reduced 47 L. 11 s. 6 d.

[blocks in formation]

When the price is not less than a penny, but less than a shilling, and is no aliquot part of a shilling, work by

RULE 3.

Separate the price into parts, one of which shall be an aliquot part of a shilling, and the rest either aliquot parts of a shilling or of one of the other parts. Find the value at each of the parts, agreeably to the tenor of the preceding rules, and add the several results togeher, for the answer.

EXAMPLES.

1. What is the value of 6192 yards of tape, at 24 d. per yard?

per

2. What is the value of 3711 lb. of sugar, at 74 d.

lb.?

[merged small][merged small][merged small][ocr errors][merged small][ocr errors]

210)116 1 Answer in shillings.

Answer reduced 58 L. 1 s.

(2.) | 4d. | | 3711 value at 1 s.

3 d.

[ocr errors]
[merged small][merged small][ocr errors][merged small][merged small][merged small][merged small]

210)239 6 8 Ans. in shillings, &c.

Answer reduced 119 L. 16 s. 84 d.

Note. In working the former of these examples, we find the value of the given number at 2 d. by Rule 2, and divide the result by 8 to find the value at 4; for as is an eighth part of 2 d., the value at must be an eighth part of the value at 2 d. The latter example is wrought in a similar manner.

[blocks in formation]

When the price is not less than a shilling, but less than two shillings, work by

RULE 4.

Set down the value of the given number at a shilling, and to this add the value at the rest of the price, found by the preceding rules.

EXAMPLES.

1. What is the value of 725 yards of muslin, at 131 d. per yard?

17258.

value at 1 s.

[blocks in formation]

210)81 5 7 Ans. in shillings, &c.

Ans. reduced 40 L. 15 s. 73 d.

[merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small]

When the price is any number of shillings under 20, work by

RULE 5.

Set down the value of the given number at a shilling, and multiply that sum by the number of shillings in the price: the product will be the answer.

Or,

If the price be an aliquot part of a pound, set down the value of the given number at a pound, and take such part of that sum as the price is of a pound, for the answer.

EXAMPLES.

1. What is the value of 528 bu. of apples, at 3 s. per bu.? 2. What is the value of 750 yards of linen, at 5s. per yd.?

S.

528 value at 1 s.

3

210)15814 Ans. in shillings.

Ans. 79 L. 4 s.

L.

5.750 value at 1I..

Ans. 187 L. 10 s.

As two shillings are twice one shilling, the value of any number of articles, at two shillings, each, must be twice their value at one shilling; and as three shillings are three times one shilling, the value at three snillings must be three times the value at one shilling, &c.

[blocks in formation]

Note. When the price is an even number of shillings, the answer may be found thus:-Multiply the given number by half the price, doubling the right hand figure of the product for shillings; the rest of the product will be pounds.

11. 473 at 4 s.

Ans. 94 L. 12 s.

[blocks in formation]

16. 171 at 16.

136 16 0

When the price is shillings and pence, or shillings, pence, and farthings, work by

RULE 6.

If the price be an aliquot part of a pound, set down the value of the given number at a pound, and take such part of that value as the price is of a pound, for the answer: but,

If the price be not an aliquot part of a pound, find the value at the shillings, by rule 5; and to this add the value at the rest of the price, found by the preceding rules.

[blocks in formation]
[blocks in formation]

2|0)246|1 Answer in shillings.

Ans. reduced 123 L. 1 s.

[blocks in formation]

When the price is pounds, or pounds, shillings, &c., work by

RULE 7.

Set down the value of the given number at a pound, and multiply that sum by the number of pounds in the price: the product will be the value at the pounds, to which add the value at the remainder of the price (if any) found agreeably to the tenor of the preceding rules: or,

Reduce the pounds and shillings of the price to shillings, and find the answer by Rule 6.

V

« ΠροηγούμενηΣυνέχεια »