A:b=5:3 find the value of 3a+4b:5a+2b
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27 : 31
Step-by-step explanation:
let a=5x and b=3x
=>3a+4b=3(5x)+4(3x) -(i)
5a+2b=5(5x)+2(3x) -(ii)
(i) and (ii)=>3a+4b=27x
5a+2b=31x
=>3a+4b:5a+2b :: 27x:31x :: 27:31
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