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Without doing any calculations, we can see immediately that the question is stating

something that's impossible.

It asks for three numbers that equal 30, and it says that one of them is 10.3 . This all

makes us very nervous, because we know that 10.3 is notequal to 30, and we know

also that there is only one number that's equal to 30, and that the number is 30 .

So we have to conclude that no answer is possible because the question is prima facie

messed up.

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Q: What 3 numbers equal 30 and one is 10.3?
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