Question 11
Patrick started jumping every day. He jumped 10 times on Day 1, then 8 more times on Day 2 than on Day 1, and 8 more times on Day 3 than on Day 2. Each day he continued to jump 8 more times than the previous day. Which day is the first on which he jumps at least 100 times in that one day? Give the day number, not the total jumps over several days.
Enter one whole number, without units.
Enter one whole number, without units.