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17. In a library the ratio of English books to Math books, is the same as the ratio of Math books to Science book. If there are 1200 books on English and 1800 books on Math, find the number of Science books.

17. In a library the ratio of English books to Math books, is the same as the ratio of Math books to Science book. If there are 1200 books on English and 1800 books on Math, find the number of Science books.

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.1: Ratios
Problem 25WE
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Answer 17-20
14 ures are 15. chare is $200, 17. In a library the ratio of English books to Math books, is the same as the ratio of Math books to Science book. If there are 1200 books on English and 1800 books on Math, find the number of Science books. 18. The ratio of the prices of two houses was 16 : 23. Two years later when the price of the first has increased by 10% and that of the second by $477, the ratio of the prices becomes 11: 20. Find the original price of the first house. 19. The ratio of monthly income to the savings in a family is 5: 4 If the savings be $9000, find the income and the expenses. 20. The ratio of number of male and female teachers in a school is 3: 4. If there are 16 female teachers, find the number of male teachers.
Transcribed Image Text:14 ures are 15. chare is $200, 17. In a library the ratio of English books to Math books, is the same as the ratio of Math books to Science book. If there are 1200 books on English and 1800 books on Math, find the number of Science books. 18. The ratio of the prices of two houses was 16 : 23. Two years later when the price of the first has increased by 10% and that of the second by $477, the ratio of the prices becomes 11: 20. Find the original price of the first house. 19. The ratio of monthly income to the savings in a family is 5: 4 If the savings be $9000, find the income and the expenses. 20. The ratio of number of male and female teachers in a school is 3: 4. If there are 16 female teachers, find the number of male teachers.
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