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Mathematics 19 Online
OpenStudy (anonymous):

f 8.45% of the battery life of each mobile phone is used in a day by a typical user, which mobile phone would use a total of 1.69 hours of battery life in a day? Help plz

OpenStudy (anonymous):

OpenStudy (anonymous):

Change the percent to a decimal. So 8.45% is 0.0845 decimal. The word of means you multiply. So 0.0845 * x = 1.69 Solve for x: 1.69/0.0845 = 20

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