14-10-2018
Mathematics

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ratio of 7:8:9=_:12:_

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lillym9 lillym9

14-10-2018

11:12:13 is the answer

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forestmaster forestmaster

14-10-2018

Because 12 is 1.5 times 8, multiply all the others by 1.5. The answer is 10.5:12:13.5.

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