Four friends decided to go on a vacation to a hill station.
Four friends decided to go on a vacation to a hill station. During their vacation, they experienced 13 days of heavy snowfall. When it used to snow in the morning, the afternoon was clear and when it used to snow in the afternoon, the day was followed by a clear morning.
In total, they had eleven clear mornings and twelve clear afternoons. Is there a way you can calculate the number of days they spent in their vacation?
Answer/Solution
18
Steps/Work
C
18
Number of days with snow in morning and clear afternoon = A
Number of days with clear morning and snow in afternoon = B
Number of days with no snowfall in morning or afternoon = C
Now, number of days with snowfall = A + B = 13
Number of days with clear mornings = B + C = 11
Number of days with clear afternoons = A + C = 12
Adding these three equations, we get
2 * (A + B + C) = 36
Or, A + B + C = 18
Therefore, they spent eighteen days in total at their vacation.
18
Number of days with snow in morning and clear afternoon = A
Number of days with clear morning and snow in afternoon = B
Number of days with no snowfall in morning or afternoon = C
Now, number of days with snowfall = A + B = 13
Number of days with clear mornings = B + C = 11
Number of days with clear afternoons = A + C = 12
Adding these three equations, we get
2 * (A + B + C) = 36
Or, A + B + C = 18
Therefore, they spent eighteen days in total at their vacation.