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How many Saturdays in 20 years?
To calculate the number of Saturdays in 20 years, we first need to determine the total number of days in 20 years. Since there are 365 days in a year (except for leap years), we multiply 20 by 365 to get 7,300 days. Next, we divide this total by 7 (the number of days in a week) to find the number of weeks, which is approximately 1,042 weeks. Since Saturdays occur once every week, there will be 1,042 Saturdays in 20 years.
What is the chance that a leap year selected at random will contain 53 Saturdays?
Since you are selecting only among leap years, either the first or the second day of the year would have to be a Saturday, so you have two chances out of seven (a probability of 2/7) that there are 53 saturdays.
How many years are 7 centuries?
1 century = 100 consecutive years 7 centuries = 700 years
How many years is 86 months?
7 years 2 months
How many years is 400 weeks?
400/56=7 years and 2 months
