Math, asked by mishka131517, 10 months ago

If a:b=3:5, find 3a+5b:7a-2b

Answers

Answered by girishpokhrel34

4

Answer:

was it correct

please say in comment

Step-by-step explanation:

a/b=3/5

if a=3,then b=5

3a+5b:7a-2b

3*3+5*5:7*3-2*5

9+25:21-10

34:11

Answered by sushantaboserem

2

Answer:

let, a = 3x

and b= 5x

∴ 3a+5b:7a-2b

= 9x+25x : 21x-10x

= 34x : 11x

= 34 : 11

Step-by-step explanation:

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