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Question
If a + b : a - b = 11 : 8 ; find the vaIue of a : b
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Solution
a + b : a - b = 11 : 8
`=> ("a + b")/("a - b") = 11/8`
⇒ 8a +8b-11a- 11b
⇒ 3a - 19 b
⇒ `"a"/"b" = 19/3`
a : b = 19 : 3
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