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The present age of three person in proportion 4:7:9. Eight years ago the sum of there age was 56. Find there present ages?
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The present age of three person in proportion 4:7:9. Eight years ago t...
Let their present ages be 4x, 7x and 9x years respectively.
Then, (4x - 8) + (7x - 8) + (9x - 8) = 56
⇒ 20x = 80
⇒ x = 4.
∴ Their present ages are 4x = 16 years, 7x = 28 years and 9x = 36 years respectively.
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The present age of three person in proportion 4:7:9. Eight years ago the sum of there age was 56. Find there present ages?
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The present age of three person in proportion 4:7:9. Eight years ago the sum of there age was 56. Find there present ages? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about The present age of three person in proportion 4:7:9. Eight years ago the sum of there age was 56. Find there present ages? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The present age of three person in proportion 4:7:9. Eight years ago the sum of there age was 56. Find there present ages?.
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