Guo Qi watches 151515 videos on Khan Academy every day. Each video is 888 minutes long on average. For how many days does Guo Qi need to watch videos on Khan Academy to watch 900090009000 minutes of videos?

Guo Qi requires 75 days to watch videos on Khan Academy.

Step-by-step explanation:

We are given the following in the question:

Number of videos watched by Guo Qi each day = 15

Average length of each video = 8 minutes

Total minutes of video = 9000 minutes

Total number of videos to be watched =

Guo Qi needs to watch 1125 videos.

Number of days required =

Guo Qi requires 75 days to watch videos on Khan Academy.

the answer is c

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