Charging a PhoneAlgebra Level 2
My phone needs 5 hours to be charged fully. The battery of the phone wears out in 10 hours but in sleep mode, it wears out in 20 hours. Jimmy charge his phone from 0% battery for 3 hours, then he drove his car for 30 minutes to his friend's house. He stayed in his friends'is house for 2 hours. Then, he drove back home for 30 minutes. When he reached home he played a game on his phone for 1 hour. How much percentage of battery is there left?
Note: Submit the number only (not % sign) as your answer.