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If 8.45% life of each mobile phone is used in a day by a typical user for which mobile phone is 2.1 hours of battery life used in a day?

A)20

B)25

C)10

D) 18

1 Answer

2 votes
8.45% = 0.0845

0.0845(25) = 2.1...ur answer is 25
User Shamim Ahmad
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