Math, asked by amalakalluru, 4 months ago

3-5х43х76ха 5
3-3х4-12 х74 xа​

Answers

Answered by Pakiki
6

Given: a:b=5:9 , b:c=4:7

To find: a:b:c

Solution:

a:b:c=(5×4):(9×4):(7×9)

a:b:c=20:36:63

Note:

If A:B=a:b & B:C=m:n , then

A:B:C=am:bm:bn

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