nmath
nmath
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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