When famke charges her phone, it gains 222 percentage points each minute. when famke uses her phone, it loses 555 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 101010 percentage points. how long did famke use her phone and how long did she charge it?

 Famke uses her phone for 10 minutes and she charge it for 20 minutes .

Step-by-step explanation:

Let x be the number of hours Famke charges her phone.

Let y be the number of hours Famke uses her phone.

According to question, he charged it for twice the amount of time she used it.

So, it becomes

Number of points he gain while charging her phone = 2%

Number of points he loses while used her phone = 5%

Total points he lost = 10%

So, our equation would be

Put the value of x in the eq(2).

and x=2×10=20 minutes

Hence, Famke uses her phone for 10 minutes and she charge it for 20 minutes.

the answer is 175.4379

step-by-step explanation: