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Algebra 9 Online
OpenStudy (anonymous):

Brown got a 10% profit on a $200 investment. Jones got a 5% profit on a $200 investment. Smith got a 15% profit on a $400 investment. What is the mean of all profits?

OpenStudy (anonymous):

are you looking for the ansewrs to these?

OpenStudy (anonymous):

I need help solving it.

OpenStudy (anonymous):

ok so lets start with Brown yeah? lets start with 10% of $100 what would that be?

OpenStudy (anonymous):

How would i figure that out?

OpenStudy (anonymous):

ok how many "10"s are in 100

OpenStudy (anonymous):

10

OpenStudy (anonymous):

thats 10% of 100 ;D now double it

OpenStudy (anonymous):

20%

OpenStudy (anonymous):

yes 20% is browns profit

OpenStudy (anonymous):

and 60% for Smith?

OpenStudy (anonymous):

Correcto!

OpenStudy (anonymous):

Then do you add all them up?

OpenStudy (anonymous):

um ok then its asking for the mean of all profits so what is all the profits added up equal to

OpenStudy (anonymous):

90

OpenStudy (anonymous):

ok now divide by 3

OpenStudy (anonymous):

30!

OpenStudy (anonymous):

is that in one of the answers to choose from

OpenStudy (anonymous):

Yes!

OpenStudy (anonymous):

Thank you so much for the help! :)

OpenStudy (anonymous):

youre verry welcome ;D

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