If 0.8 x A = 0.09 x B, then find A : B.

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If 0.8 x A = 0.09 x B, then find A : B.

1. 9 : 80
2. 3 : 80
3. 80 : 9
4. 7 : 80

Correct Option: A

Given that 0.8 x A = 0.09 x B
⇒ A/B = 0.09/0.8 = 9/80
∴ A : B = 9 :80