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A library has an average of 502 visitors on Sundays, 475 on Saturdays and 340 on weekdays. What is the average number of visitors per day in a month of 30 days beginning with a Sunday?

A library has an average of 502 visitors on Sundays, 475 on Saturdays and 340 on weekdays. What is the average number of visitors per day in a month of 30 days beginning with a Sunday? Correct Answer 385

Given:

A library has an average of 502 visitors on Sundays, 475 on Saturdays and 340 on weekdays

Formula used:

Average = Sum of all the values/total number of value

Concept used:

If the start on Sunday then there are five Sundays, four Saturday and 21 weekdays

Calculation:

According to the question:

Number of visitors on Sundays = 502 × 5 = 2510

Number of visitors on Saturday = 475 × 4 = 1900

Number of visitors on Saturday = 340 × 21 = 7140

Average visitors = (2510 + 1900 + 7140)/30 

⇒ 11550/30 = 385

∴ The average number of visitors are 385.

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