Convert to a decimal which would be 0.55 (11/20).
Then you want to multiply 0.55 by 100 (which is a whole number, all % is going to come from 100) to convert to a full % -> 0.55*100
Then you will simplify 0.55*100
You answer will be 55%.
Hey!
11 = 20% of 55
You can make a proportion
20% = 20/100
Cross multiply
Divide by 20
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