Sinopsis
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1876 Excerpt: ...is 24 sheep; and 24 is 4T =.07=7% of what he had last year. 4. The population of a certain town was once 5600, but is now 4802; what per cent. is the decrease? Ans. 14£ %. 5. Mr. Wilson has paid $110 of a demand for $235; what per cent. remains unpaid? Ans. 53TnT % 6. A farmer gave his son Thomas 100 acres of land, and his son Arthur the same quantity; but Thomas decreased his 50 fg, and Arthur increased his 50 fy what per cent. then was Thomas' land of that of Arthur? Ans. 33 %. Review Questions. What is meant by per cent. (262) What is Percentage? (263) Percentage of a number? (263) The Base of percentage? (263) The Rate per rent. (263) CASE III. 268. To find a number when any per cent, of it is given. 1. $450 is 15 per cent. of what number of dollars? Operation.. Since 15 % of some number is 30 S450, 1 % of it is j of $450, o $450 X 100 ®30' an 100 %, or te numDei "--= $3000 Ans. itself, is 100 times_$30, or $3000. Or, since 15%, or.15, of the 'number is $450, that number $450-f.15 = $3000, Ans. mnat be 0400 = $480-f-W, which is $3000. Rule. Divide the given percentage by the rate per cent. expressed decimally. Examples. 2. Of what number is 96 bushels, 6 %? Ans. 1600 bushels. 3. Of what number is 57 men, 9£ %? 4. $375 is 30 % of what number? Ans. $1250. 5. 1.04 qt. is 4 % of what number? Ans. 3 pk. 2 qt. 6. $235.50 is 15T % of what number? 7. $7.80 is % of what number? Ans. $1040. 8. 71b. 11.2 oz. is 5 % of what number? Ans. 1 cwt. 2 qr. 4 Ib. 269. When the number of the per cent. is an aliquot part of 100, to find the base, we may Consider the percentage the same fraction of the base that the rate per cent. is of 100. 9. 960 hogsheads is 33 per cent. of what number? Solution. If 33%, or £, of some number is 960 hogsheads, f, or...
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Reseña del editor
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1876 Excerpt: ...is 24 sheep; and 24 is 4T =.07=7% of what he had last year. 4. The population of a certain town was once 5600, but is now 4802; what per cent. is the decrease? Ans. 14£ %. 5. Mr. Wilson has paid $110 of a demand for $235; what per cent. remains unpaid? Ans. 53TnT % 6. A farmer gave his son Thomas 100 acres of land, and his son Arthur the same quantity; but Thomas decreased his 50 fg, and Arthur increased his 50 fy what per cent. then was Thomas' land of that of Arthur? Ans. 33 %. Review Questions. What is meant by per cent. (262) What is Percentage? (263) Percentage of a number? (263) The Base of percentage? (263) The Rate per rent. (263) CASE III. 268. To find a number when any per cent, of it is given. 1. $450 is 15 per cent. of what number of dollars? Operation.. Since 15 % of some number is 30 S450, 1 % of it is j of $450, o $450 X 100 ®30' an 100 %, or te numDei "--= $3000 Ans. itself, is 100 times_$30, or $3000. Or, since 15%, or.15, of the 'number is $450, that number $450-f.15 = $3000, Ans. mnat be 0400 = $480-f-W, which is $3000. Rule. Divide the given percentage by the rate per cent. expressed decimally. Examples. 2. Of what number is 96 bushels, 6 %? Ans. 1600 bushels. 3. Of what number is 57 men, 9£ %? 4. $375 is 30 % of what number? Ans. $1250. 5. 1.04 qt. is 4 % of what number? Ans. 3 pk. 2 qt. 6. $235.50 is 15T % of what number? 7. $7.80 is % of what number? Ans. $1040. 8. 71b. 11.2 oz. is 5 % of what number? Ans. 1 cwt. 2 qr. 4 Ib. 269. When the number of the per cent. is an aliquot part of 100, to find the base, we may Consider the percentage the same fraction of the base that the rate per cent. is of 100. 9. 960 hogsheads is 33 per cent. of what number? Solution. If 33%, or £, of some number is 960 hogsheads, f, or...
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