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Mathematics, 03.04.2020 18:22 rutza

Lin's smart phone was fully charged when she started school at 8:00am. At 9:20am, it was 90% charged, and at noon, it was 72% charged. When do you think the battery will die?

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Lin's smart phone was fully charged when she started school at 8:00am. At 9:20am, it was 90% charged...
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