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3 votes
51 is 20% of what number?

31
71
200
255

PLS HELPPPP

1 Answer

3 votes

Answer: 255

Step-by-step explanation:

Try thinking backwards first; 51*(0.20)=10.2, or 10.2 is 20% of 52

To find 20% of the unknown number, just divide 51 by 0.20

51/0.20=255

Whatever the answer is, you know it has to be larger than the original number.

User Pratik Bhiyani
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