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Juli2301 [7.4K]
3 years ago
12

Alan works at a gym. One week he records the number of people to visit the gym each day. The mean average for Monday to Friday i

s 98. The mean average for the whole week is 114. On Saturday 162 people visit the gym. How many people visited on Sunday?
Mathematics
1 answer:
stellarik [79]3 years ago
6 0

Answer:

146 people

Step-by-step explanation:

The formula for mean = sum of values/number of values

For Monday to Friday , the average number of people that came = 98

Hence, the total number of people that came is calculated as:

Number of people that attended Monday to Friday = 98 × 5 = 490 people

The number of people that came on Saturday = 162 people

The mean average for the whole week is 114.

The number of days in a week = 7 days

The number of people that came in on Sunday is represented = x

Therefore,

490 + 162 + x/7 = 114

Cross Multiply

652 + x = 798

x = 798 - 652

x = 146 people

Therefore, 146 people visited on Sunday

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