Day of the week
Number Theory
Level
pending
If today is Thursday, what day of the week will it be days from today?
Saturday
Monday
Tuesday
Wednesday
Friday
Thursday
Sunday
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1 solution
I guess the "math" way to do this is:
Because every 7 days we come back to Thursday, we want to find what day it will be after 1 9 m o d 7 days.
1 9 m o d 7 = 5
So, 5 days after Thursday will be a T u e s d a y