3/10 as a percentage. Reason:
3/10 x 100/1 To change a fraction to a percentage multiply by 100/1. Multiply 3/10 by 100/1.
= 3/1 x 10/1 10 and 100 have greatest common factor 10. Divide 10 by 10. Divide 100 by 10.
= 30/1 Multiply 3 by 10. Multiply 1 by 1.
= 30 % Divide 30 by 1.

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