20. If A:B = 2 : 3 and B: C = 5:6, then A: B: C is
a) 10 : 18 : 15 b) 15 : 10 : 18
c) 18 : 15 : 10 d) 10 : 15 : 18
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Step-by-step explanation:
D
A:B:C
2:3
5:6
10:15:18
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