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YeetBoi786
11.01.2020 •
Mathematics
Amonth with 31 days has the same number of mondays and wednesdays. how many of the seven days of the week could be the first day of this month? a. 2b. 3c. 4d. 5e. 6
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Ответ:
b. 3
Therefore, we will have the same number of Mondays and Wednesdays if the first day is either Monday, Thursday or Friday. Making 3 possible days
Step-by-step explanation:
Given that there are 31 days in the month.
And there are equal number of Mondays and Wednesdays within a 7 day bracket.
30 - 4(7) = 3days
After four weeks we are left with three days.
So, if the first day is;
Monday - we will have 5 Mondays and Wednesdays each
Tuesday - we have more Wednesday
Wednesday - we will have more Wednesday
Thursday - we will have 4 Mondays and Wednesdays each
Friday - we will have 4 Mondays and Wednesdays each
Saturday - we will have more Monday
Sunday - we will have more Monday
Therefore, we will have the same number of Mondays and Wednesdays if the first day is either Monday, Thursday or Friday. Making 3 possible days
Ответ:
no entiendo cual es tu pregunta..