Question

diana starts her school life like usual. But unlike the usual days, she forgot to charge her phone beforehand and come to school with 13%-battery phone . So when she collected her phone, she asked her homeroom teacher to charge her phone and the teacher charged her phone for her. Right after the school hour ends, she retrieved her phone back and found that her phone was filled up to 78%. By what fraction of total capacity did the energy increase during the school hours? *

Answer 1

Answer:

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