Mathematics 82 Online
OpenStudy (anonymous):

If an associate’s average sale to 5 customers is \$125, and her sales to four of the customers are \$200, \$150, \$125, and \$75, what is the associate’s sale to the fifth customer? \$75 \$50 \$125 Not Here \$100

OpenStudy (anonymous):

you only have to think about how you calculate average. Do you know?

OpenStudy (anonymous):

get the sum of all the numbers and divide by the number them

OpenStudy (anonymous):

correct! how can you use this here?

OpenStudy (anonymous):

so add all the \$ amounts then divide by 5?

OpenStudy (anonymous):

when I do written problems I always think about what should be the variable x

OpenStudy (anonymous):

here it should be the 5th customers sale, can you write an equation with that?

OpenStudy (anonymous):

have you given it up? :)

OpenStudy (anonymous):

got kicked off internet

OpenStudy (anonymous):

so the average is (200+150+125+75+x)/5 =125 this is the equation that you have to solve

OpenStudy (anonymous):

yeah Eliza did it :-)

OpenStudy (anonymous):

give me a min

OpenStudy (anonymous):

I'll be back in a few minutes

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