Answers

2014-09-16T19:30:05+05:30
A:b=5:9
b:c=4:7
=5:9*4=20:36
=4:7*9=36:63
=a:b:c=20:36:63
=a:c=20:63

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2014-09-16T23:54:55+05:30
A:b=5:9,b:c=4:7 therefore a:b=20:36,b:c=36:63 therefore a:b:c= 20:36:63 therefore a:c= 20:63
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