72% of X = 72/100 × x72% of x = 72x/100---------------------------27% of x = 27/100 × x27% of x = 27x/100--------------------------According to the question,72x/100 = 27x/100 + 28 72x/100 -27x/100 = 28(72x -27x)/100 =2872x - 27x = 280045x = 2800x = 2800/45x = 560/9Number required here is 560/9I hope this will HELP you -by ABHAY
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