Math, asked by shobhasmiley543, 3 months ago

Can anyone solve 61 que

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Answered by bson

1

Answer:

D

Step-by-step explanation:

a+b : b+c : c+a = 15:12:11

a+b =15x

b+c=12x

c+a=11x

2(a+b+c)= 38x

a+b+c=19x

c=a+b+c - a+b = 19x- 15x = 4x

a= a+b+c - b+c =19x-12x = 7x

b = a+b+c - a+c = 19x - 11x = 8x

a:b:c = 7x: 8x: 4x = 7: 8 :4

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