Math, asked by sahidmehtab786, 1 year ago

if 3a + 2b : 2a +5b =12 :19 , then find a: b

Answers

Answered by HermioneWatson

9

3a+2b / 2a+5b = 12/19

(19)(3a+2b) = (12)(2a+5b)

57a + 38b = 24a + 60b

33a = 22b

a/b = 22/33

a/b = 2/3

a:b = 2:3

Hope this helps!

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