 | Emerson Elbridge White - Arithmetic - 1873 - 260 pages
...81275 for other expenses, and laid up 25% of his income: what was his income? Art. 147. ETJLE. — To find a number when a per cent of it is given, Divide the number which is the per cent by the rate per' cent, expressed decimally. LESSON V. 'Pro/it... | |
 | Emerson Elbridge White - Arithmetic - 1876 - 236 pages
...number, and the quotient, expressed as hundredths, will be the rate per cent. LESSON IV. CASE III. — To FIND A NUMBER WHEN A PER CENT OF IT is GIVEN. 1. 60 is 20% of what number? SOLUTION.— If 60 is 20$ of a number, 1$ of it is ^ of 60, which is 3,... | |
 | Edwin Pliny Seaver, George Augustus Walton - Arithmetic - 1878 - 152 pages
...What does a man receive for a house-lot which cost 1 1524 by selling it for 8J% more than it cost ? To find a Number when a Per Cent of it is given. Oral Examples. 29G. a,. 20% of a number is $40. What is the number ? Solution. — Since 20 % of the... | |
 | Edwin Pliny Seaver, George Augustus Walton - Arithmetic - 1878 - 154 pages
...prices must be charged for four kinds of tea costing 36/, 48/, 54/, and 63/ per pound to gain 16f% ? To find a Number when a Per Cent of it is given. Oral Examples. 299. a. 20% of a number is $40. What is the number ? Solution. — Since -20% of the... | |
 | Henry Bartlett Maglathlin - Arithmetic - 1881 - 200 pages
...of $3550, which is $ 142. . 80. 120 is 75 % of what number? 81. $ 7.20 is 8 % of what number ? 171. To find a number when a per cent of it is given : Rule. Divide the per cent bу the given rate. Of what is — 82. 132, 6 %? 85. $175,8 % ? 83. 384,... | |
 | Henry Bartlett Maglathlin - Arithmetic - 1882 - 212 pages
...Flour which cost $ 7.50 a barrel for $ 9.50 ? 25. Kerosene costing $0.11^ a gallon for $ 0.09|? 262. To find a Number when a. per cent of it is given. ORAL EXERCISES. Review, Article 183, Page 122. 1. I gained 12£% by selling a cow for $10 more than... | |
 | Emerson Elbridge White - Arithmetic - 1883 - 282 pages
...school is 28, which is 40% of the whole number of pupils : how many pupils are enrolled ? ART. 140. To find a number when a per cent of it is given : Bule. — Divide the number which is the percentage by the given rate per cent expressed decimally.... | |
 | Emerson Elbridge White - Arithmetic - 1883 - 290 pages
...a school is 28. which is 40% of the whole number of pupils: how many pupils are enrolled? ART. 140. To find a number when a per cent of it is given : LESSON LIV. APPLICATIONS OF PERCENTAGE. ORAL PROBLEMS. 1. A farmer raised 200 bushels of grain, and... | |
 | George Albert Wentworth - Arithmetic - 1893 - 242 pages
...7. 36 in. are 27 in.? 8. $2.75 are $0.35? 9. 2240 Ibs. are 2000 Ibs. ? 10. 7000 grs. are 5760 grs. ? To find a number when a per cent of it is given. 3240 is Щ% of what number? 37¿% = fl\ = f. If 3240 is f of some number, J of the number is \ of 3240... | |
 | John Williston Cook, Nebraska C. Cropsey - Arithmetic - 1893 - 316 pages
...what per cent of the cost ? NOTE. The selling price is the cost plus what per cent of the cost ? /5. To find a number when a per cent of it is given. 1. 30 is 6 % of what number ? 1 % of the number is \ of 30, which is 5. The number required, or 100... | |
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... to find a number when a per cent of it is given. 
