Question
Download Solution PDFIf (a + 3b) : (2a + 4b) = 3 : 5, then (a - b) : (a + b) is equal to:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
(a + 3b) : (2a + 4b) = 3 : 5
Formula used:
if
then,
Calculation:
⇒ 5 × (a + 3b) = 3 × (2a + 4b)
⇒ 5a + 15b = 6a + 12b
⇒ a = 3b
⇒
⇒
⇒
⇒ (a - b) : (a + b) = 1 : 2
Last updated on Jul 8, 2025
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