Fermat 2024 Part B - Question 15, CEMC UWaterloo

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Difficulty: 5

This problem is tagged with fermat, fermat24, highschool.

(Fermat 2024, Part B, Question 15, CEMC - UWaterloo)

Anila's grandmother wakes up at the same time every day and follows this same routine:

  • She gets her coffee $1$ hour after she wakes up. This takes $10$ minutes.
  • She has a shower $2$ hours after she wakes up. This takes $10$ minutes.
  • She goes for a walk $3$ hours after she wakes up. This takes $40$ minutes.
  • She calls her granddaughter $4$ hours after she wakes up. This takes $15$ minutes.
  • She does some yoga $5$ hours after she wakes up. This takes $30$ minutes.
If Anila's grandmother woke up $5$ minutes ago, what will she be doing in $197$ hours?
$(A)$ Getting her coffee
$(B)$ Having a shower
$(C)$ Doing some yoga
$(D)$ Going for a walk
$(E)$ Calling her granddaughter

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