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30 January, 14:15

My phone battery lasts for 20hours when fully charged. The duration that the battery lasts is proportional to its percentage charge. How long will the battery last if it is 30%, percent charged?

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  1. 30 January, 14:22
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    6 hours

    Step-by-step explanation: if it lasts 20 when fully charged (100%) then it will be in the form of 100%=20hrs, this would be wrong if 30 replaced 100. This means that we need to find 30% of 20 because 20 is really just 100 percent. 30% of 20 is 6 so it will last 6 hours and 00 minutes.

    Must be an Iphone XD
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