21.A:B=6:9 and B:C= 7:10 find A:B:C=?
A) 14:21:30
B)32:63:90
C)30:14:21
D)63:42:90
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21.A:B=6:9 and B:C= 7:10 find A:B:C=?
A) 14:21:30
B)32:63:90
C)30:14:21
D)63:42:90
Answered by
0
Answer:
The value of A:B:C=14:21:30
Step-by-step explanation:
At the time of finding A:B:C, at first we make both the values of B equal.
Two values of B are 9 and 7 and their L. C. M is 63
A:B = 6:9 = 6*7:9*7=42:63
B:C = 7:10 = 7*9:10*9=63:90
A:B:C= 42:63:90
= 14:21:30
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