The mean of four consecutive even numbers is 15.
The greatest of these numbers is ____
The least of these numbers is _____
please just tell me the answer
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OpenStudy (anonymous):
well first lets find what the sum of the numbers could be by multiplying 15*4 since there are 4 number
15*4=60 so the sum of the 4 numbers =60
OpenStudy (anonymous):
what??
OpenStudy (anonymous):
well mean=average
and average is calculated by adding all of the numbers and dividing by the number of numbers added
OpenStudy (anonymous):
The greatest of these numbers is ____
The least of these numbers is _____
OpenStudy (anonymous):
the problem is not chain of consecutive numbers have the total of 60
13+14+15+16=58 and14+15+16+17=62
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OpenStudy (anonymous):
so its ..
The greatest of these numbers is 62
The least of these numbers is 58?
OpenStudy (anonymous):
no there is no chain of 4 numbers that adds up to 60 to create a mean of 15
OpenStudy (anonymous):
the greatest would have been 16 with the least of 13 but that still doesnt give us 60
OpenStudy (anonymous):
wait hold on even numbers
OpenStudy (anonymous):
sorry let me try again
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OpenStudy (anonymous):
here we go ok
so the chain of numbers would be 12, 14, 16 , and 18
18 is the greatest and 12 is the lowest
OpenStudy (anonymous):
is it 16 and 13???
OpenStudy (anonymous):
sorry misread it a bit
OpenStudy (anonymous):
18 and 12 now?
OpenStudy (anonymous):
yes I am deeply sorry
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