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Q: What percent is a 21 out of 30 on a test?

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21/30 x 100 = 70. Therefore, 21 is 70 percent of 30.

21/70 x 100 = 30. Therefore, 21 is 30 percent of 70.

21 is 30% of 70

21 is 30% of 70

21

30% decrease

30% decrease.

70%

70%

The answer is 6.3

21. (30 percent of 30.00 = 30 x 0.3 = 9. 30.00 - 9 = 21)

3/10 is 30% 21% is 21% 0.34 is 34%

To find 70 percent of a number, multiply that number by 0.7. In this instance, 30 x 0.7 = 21.Therefore, 70 percent of 30 is 21.

30% of 70 is 21 because 10% is 7

30% of 70 = 70*30/100 = 21

That would be an 84%.

It's 21 Dollars. 70 * 0.30 (0.3 = 30%) = 21

To find the percent that a number, x, is out of another number, y, divide x by y and multiply by 100. So (21/30)*100 = 70, which means that 21 is 70% of 30.

70% of 30= 70% * 30= 0.7 * 30= 21

30 percent of 70 is 21.

It would be a 70%. Just do 21/30 on your calculator.

30 percent of 70 dollars will be approximately $21 US dollars.

30%=.3 .3*$70=$21

30-21=9 dollars

30%=30/100 30/100x=21 100/1(30/100)x=100/1(21) 30x=2100 30x/30=2100/30 x=70