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Mathematics 22 Online
OpenStudy (anonymous):

Best Response Given Plus Fan.!! A Vending Machine Contains 200 Packages Of Granola Bars And Crackers. If You Pick At Random, P(Crackers) = 45%. How Many Packages Are Granola Bars.?

OpenStudy (anonymous):

110.

OpenStudy (anonymous):

Basically Find The Number Of Packages Of Crackers Is _Blank_. The Number Of Packages Of Granola Bars Is 200- _Blank_.

OpenStudy (anonymous):

Because if there are 200 packages total, you multiply that by .45 and you get 90. 200-90=110. 110 would be the other 55% of the 200.

OpenStudy (anonymous):

My Parents Got 90.

OpenStudy (anonymous):

Yes.(:

OpenStudy (anonymous):

Explain to them that 45% is .45 as a decimal. Tell them to multiply 200 by .45 and you get 90. There are 90 crackers, so the rest have to be granola bars.

OpenStudy (anonymous):

I See How Now. Thank You.c:

OpenStudy (anonymous):

Yes They Understand Now, They Forgot The Last Few Steps.cx

OpenStudy (anonymous):

P=favorable outcomes/total outcomes.... if we know .45=x favorable/200 total then x favorable=.45*200 which is indeed 90

OpenStudy (anonymous):

so the rest must be granola bars, 110 granola

OpenStudy (anonymous):

They Explained How They Got It And I Figured This Was How. But I Guess They Were Off Just A Bit.c:

OpenStudy (anonymous):

I guess parents can be wrong sometimes too ;)

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