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Mathematics 18 Online
ganggang99:

How many hotdogs were sold at the fifth football game

daddsu:

i doent know

daddsu:

sory

mxddi3:

do you have a chart or a word problem or anything of that sort that we can see?

ganggang99:

There were five football games at a school the number of hotdogs sold at the first four games are shown : 523 604 544 596 the mean number of hot dogs sold at all five games was 573

ganggang99:

The mean is 573

mxddi3:

ok, first step is to write out an equation: \[ \frac{ 523+604+544+596+x}{ 5 } = 573\] we have all the numbers added together, with x representing the 5th game. We divide them by 5 to equal the average (mean), which in this case is 573. so what is 523+604+544+596 ?

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