 ... more cases of diphtheria and treat 10 of them successfully, he will have treated f of his cases successfully. But if he should have 32 more cases and succeed with 30 of them, he will have succeeded with | of his cases. How many cases has he had so...  Modern Junior Mathematics - Page 137by Marie Gugle - 1920Full view - About this book
 | Herbert Edwin Hawkes, William Arthur Luby, Frank Charles Touton - Algebra - 1910 - 374 pages
...numbers is b, and the quotient of the first divided by the second is a. Find the numbers. 15. If a be added to the numerator of a certain fraction, the value of the resulting fraction is 2. If ¿ be added to the denominator, the value of the resulting fraction is 1. Find the fraction.... | |
 | John Charles Stone, James Franklin Millis - Algebra - 1911 - 698 pages
...LINEAR EQUATIONS 13. 14. 16. (Px-Qy^JB, (x + y=Q. M— 16. 17. 4-y 4 a — 6 а; + у = 2 a. 18. If m be added to the numerator of a certain fraction, the value of the resulting fraction is 4. But if n be added to the denominator, the value of the resulting fraction is 3. What is the fraction... | |
 | William James Milne - Algebra - 1911 - 332 pages
...than the Simplon tunnel. Find the length of the proposed tunnel ; of the Simplon tunnel. 37. If 1 is added to the numerator of a certain fraction, the value of the fraction becomes f ; if 2 is added to the denominator, the value of the fraction becomes £. What is... | |
 | Fletcher Durell - Algebra - 1912 - 300 pages
...with \ of his cases. How many cases has he had so far and how many has he treated successfully. 41. If 1 be added to the numerator of a certain fraction, the value of the fraction becomes f ; but if 1 be subtracted from its denominator, the value of the fraction becomes... | |
 | Webster Wells, Walter Wilson Hart - Algebra - 1912 - 344 pages
...half of the less by 2, and four thirds of the less exceeds three fourths of the greater by 1. 3. If 5 be added to the numerator of a certain fraction, the value of the fraction becomes f ; and if 5 be subtracted from its denominator, the value of the fraction becomes... | |
 | Webster Wells, Walter Wilson Hart - Algebra - 1912 - 504 pages
...half of the less by 2, and four thirds of the less exceeds three fourths of the greater by 1. 3. If 5 be added to the numerator of a certain fraction, the value of the fraction becomes |- ; and if 5 be subtracted from its denominator, the value of the fraction becomes... | |
 | Fletcher Durell - 1914 - 458 pages
...with | of his cases. How many cases has he had so far and how many has he treated successfully? 41. If 1 be added to the numerator of a certain fraction, the value of the fraction becomes f ; but if 1 be subtracted from its denominator, the value of the fraction becomes... | |
 | Fletcher Durell - Algebra - 1916 - 606 pages
...with | of his cases. How many cases has he had so far and how many has he treated successfully ? 41. If 1 be added to the numerator of a certain fraction, the value of the fraction becomes ^; but if 1 be subtracted from its denominator, the value of the fraction becomes... | |
 | Herbert Edwin Hawkes, William Arthur Luby, Frank Charles Touton - Algebra - 1919 - 536 pages
...two numbers is a times the second, and the first minus the second equals b. Find the numbers. 6. If a be added to the numerator of a certain fraction, the value of the resulting fraction is 2. If b be added to the denominator, the value of the resulting fraction is 1. Find the fraction. HINT.... | |
 | Fletcher Durell, Elmer Ellsworth Arnold - Algebra - 1919 - 344 pages
...were 7 ft. shorter and 5| ft. wider, its area would remain unchanged. What are its dimensions ? 33. If 1 be added to the numerator of a certain fraction, the value of the fraction becomes ^ ; but if 1 be subtracted from its denominator, the value of the fraction becomes... | |
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