To find the percentage,here's what we can do:

The percentage would then be:
=63/420×100%
=3/20×100%
=0.15×100%
=15%
Therefore the answer is 15%.
Hope it helps!
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Answer:
1/4
Step-by-step explanation:
It will be living two places to the edith hope this helps good luck
2(x+7)^2=0 would be your answer :)