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12, 16.5, 25.5, 39, 57, ? |
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Answer» Answer: 79.5 Step-by-step EXPLANATION: There is a DIFFERENCE of MULTIPLES of 4.5 12+4.5=16.5 16.5+9.0=25.5 25.5+13.5=39 39+18.0=57 57+22.5=79.5 |
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