RATIO

Algebra Level 1

If A : B = 4 : 5 , A:B=4:5,

And B : C = 3 : 6 , B:C=3:6,

Then A : B : C = ? A:B:C=?

1:2:3 12:15:30 21:65:89 12:30:15

Siddhant Mahurkar by Siddhant Mahurkar , 25, India

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2 solutions

a/b=4/5 b/c=3/6 b=a(5/4) and also b=c(3/6) implies a(5/4)=c(3/6), then a=c(12/30),b=c(3/6) ,and c will be 1 i.e 12/30,3/6,1 if we multiply all by 30 we get, 12,15,30.

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A : B = 4 : 5
B : C = 3 : 6
A : B : C = 4x3 : 5x3 : 5x6 = 12 : 15 : 30

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sorry, I was wondering how if we make B:C to be 1:2 then we get A:B:C=4:5:10

Afifah Nabila - 7 years ago

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multiply your ans by 3 then u will get 12:15:30

Hemanth Hemu - 6 years, 11 months ago

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