Marc bought 50 episodes of the show "Friends" online. Each day Marc watches 1/10 of the episodes he bought. How many days will Marc need to finish 50 episodes of the show he bought?
Let's be accurate as possible and think first.
10
Marc watches 50 * 1 / 10 = 5 episodes a day.

So, he will need 50 / 5 = 10 days to finish all episodes he bought.

.

The final answer: 10