Q: What is 3x64?

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1x64=64 2x64=128 3x64=192 4x64=256 5x64=320 6x64=384 7x64=448 8x64=512 9x64=576 10x64=640 11x64=704 12x64=768

1x192 2x96 3x64 4x48 6x34 8x24 12x16 I'm thinking you are factoring and intended to say added together. 12 and -16 will give you -192 and when added will be -4.

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1x64=64 2x64=128 3x64=192 4x64=256 5x64=320 6x64=384 7x64=448 8x64=512 9x64=576 10x64=640 11x64=704 12x64=768

1x192 2x96 3x64 4x48 6x34 8x24 12x16 I'm thinking you are factoring and intended to say added together. 12 and -16 will give you -192 and when added will be -4.

64 64 64 65 65 65 65 67 67 68 68 70 70 72 73 76 79 80. NB Place the numbers in RANK order. In this case it is already done #1 MODE ; is the term that occurs most frequently. In this case it is '65' , as there are four lots of '65' #2 MEDIAN ; is the term that occurs at the ABSOLUTE middle of the ranked order. Since there are eighteen terms, there is no absolute middle term. So we take the two middle terms that have the same number of terms to their side, that is terms nine & ten. They are 67 & 68. We then add these two together and halve the result. Hence (67 + 68) / 2 = 67.5. This is the median term. #3 MEAN ; is the sum of all the terms, which is the divided by the number of terms. Hence (64+64+64+65+65+65+65+67+67+68+68+70+70+72+73+76+79+80)/18 = 69' NB Another way of calculating the mean is ((3x64)+(4x65)+(2x67)+(2x68)+(2x70)+72+73+76+79+80)/18 = 69 NNB The word 'average' is casually used in the non-mathematical world, but the correct term is MEAN.