if A:B=3:5 and B:C= 7:9 , then , find the value of A:C
1)21:35
2)21:45
3)21:55
4)21:65
Answers
Answered by
0
It's answer is 2) 21:45
Answered by
1
Answer:
21:45
Step-by-step explanation:
A:B=3/5 ,B:C=7:9
A/B=3/5 and B/C=7/9
B=7C/9
A/7C/9=3/5
9A/7C=3/5
A/C=3*7/5*9
A/C=21/45
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