Expressed as a percentage, 21/70 x 100 = 30 percent.
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To work out the percentage of, for example, 21 correct answers out of 30 questions, do the following: 21 ÷ 30 × 100 = 70 (add the percentage sign, thus: 70%)(If the answer had been 0.70, ignore the 0. and use 70 as the percentage.)
The total after taking off the percentage is 21 pounds.
35 out of 70, interms of percentage is 50% percentage..!
70 as a percentage of 90 = 100*70/90 = 77.77...%
The percentage of 63 out of 70 is 90%.