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To work out the percentage, you first need to express the number as a fraction, and then calculate the decimal. In this case, 1280 out of 1600 is 1280/1600. This comes out as the decimal 0.8

To convert this decimal into a percentage, you multiply by 100. 0.8x100=80. Thus, 1280 out of 1600 is 80%

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13y ago

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