Question

if a:b=3:5 and b:c=6:7 Find a:b:c

Answer 1

Here is ur answer,

• a:b = 3:5    it can be also written as 3 x 6 : 5 x 6 = 18 : 30
• b: c = 6 :7  '    ''            ''        ''           ''  6 x 5 : 7 x 5 = 30 : 35
• a:b:c = 18 : 30 : 35

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Answer 2

hola mate,

here's ur answer.


according to the question,
a:b=3:5
b:c=6:7

b has two values 5 and 6
so we will take out the LCM of 5,6 which is 30

a:b
a/b=3/5=3*6/5*6=18/30
b:c
b/c=6*5/7*5=30/35
hence,

a:b:c=18:30:35

hope you understand my process well if any problem u can tell me mate.