When Famke charges her phone, it gains 2 percentage points each minute. When Famke uses her phone, it loses 5 percentage points each minute. Once, Famke used her phone for some time, and then charged it for twice the amount of time she used it. In the end, her phone lost 10 percentage points. How long did Famke use her phone and how long did she charge it?
A. There is not enough information to determine the exact time Famke used and charged her phone.
B. The given information describes an impossible situation.
C. Famke used her phone for 10 minutes, and charged her phone for 20 minutes.
D. Famke used her phone for 20 minutes, and charged her phone for 10 minutes.

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