Question

If (3a+2b):(2a+5b)=12:19.
Then find, a:b.​

Answer 1

Answer:

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Answer 2

Solution

$\frac{3a + 2b}{2a + 5b} = \frac{12}{19} \\ = > 57a + 38b = 24a + 60b \\ = > 33a = 22b \\ = > \frac{a}{b} = \frac{33}{22} \\ = > \frac{a}{b} = \frac{3}{2}$

answer is ..,..,

a:b=3:2