Question

While playing games on a particular smart phone, 1% of the battery is drained every five minutes of game play. The battery starts off at 80% full. This can be represented by B(m)=80 - (m/5). What does B(75) represent?



A. The number of minutes played on a full battery


B. The amount of battery needed to play for 80 minutes


C. The amount of battery needed to play for 75 minutes


D. None of these

Answer 1

Pretty obviously option C