To answer this you can use a guess and check strategy.
Start with 5 minutes using it (25% lost) and 10 minutes charging (20% gained).
Try 7 minutes using it (35% lost) and 14 minutes charging (28%).
Next, 9 minutes (45%) and 18 minutes(36%).
10 minutes (50%) and 20 minutes (40%). This is the difference.
She used it for 10 minutes and charged it for 20 minutes.
3627 x 673:(876)= 2138290596
I got that by taking 3627x876(876) and got that
Answer:
i do only 1 part
hope my answer is helpful to you
Answer:10
Step-by-step explanation: