The first step is to convert this into a fraction, and then a decimal. 6000 out of 90 can be written as 6,000/90. This can then be calculated as the decimal 66.66666rec. To convert this into a percentage, you multiply by 100. 66.666rec x 100 = 6666.666 rec.
So 6000 out of 90 is 6,666.666rec%
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