If 5A = 7B and 6B = 8C then find A:C
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Answer:
Step-by-step explanation:
Given : 5A=6B & 7B=9C,
To find : A:B:C
Solution:
5A=6B
=> A / B = 6 / 5
=> A : B = 6 : 5
7B=9C
=> B/C = 9/7
=> B : C = 9 : 7
A : B = 6 : 5
B : C = 9 : 7
B is 5 and 9
LCM of 5 & 9 is 45
A : B = 6 : 5
multiplying both sides by 9
=> A : B = 54 : 45
B : C = 9 : 7
multiplying both sides by 5
=> B : C = 45 : 35
A : B = 54 : 45
B : C = 45 : 35
=> A : B : C = 54 : 45 : 35
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