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Mathematics 17 Online
OpenStudy (anonymous):

An twenty-four ounce box of cereal costs three dollars and sixty cents. How much would you expect to pay if you bought the eighteen ounce box? one dollar and thirty-five cents two dollars and seventy cents three dollars and five cents five dollars and forty cents

OpenStudy (anonymous):

@IMStuck

OpenStudy (triciaal):

she should be here soon

OpenStudy (anonymous):

ok thx

OpenStudy (anonymous):

@IMStuck

OpenStudy (imstuck):

And I am here to answer you.

OpenStudy (imstuck):

Don't be petty, triciaal.

OpenStudy (anonymous):

lolol

OpenStudy (imstuck):

Set this up as a ratio. You will have two "fractions" per se, and on the top you will put either the cost of the cereal in both and the ounces on the bottom, or vice versa. Let's put the ounces on top, just because.

OpenStudy (imstuck):

|dw:1409715194039:dw|

OpenStudy (imstuck):

You do this because it is linear.

OpenStudy (imstuck):

So subbing in we get this:

OpenStudy (imstuck):

|dw:1409715261444:dw|

OpenStudy (imstuck):

Solve for c by cross multiplying. Can you do that?

OpenStudy (anonymous):

i will try

OpenStudy (anonymous):

@IMStuck please I'm running out of time

OpenStudy (anonymous):

@lupita1995 can u please help me this is due tomorrow and I'm 31 out of 50 please help me

OpenStudy (imstuck):

ok sorry.

OpenStudy (imstuck):

24c = (18)(3.60) 24c=64.8 c=2.70

OpenStudy (imstuck):

My internet is spotty for some reason...I keep having to refresh.

OpenStudy (imstuck):

an 18 ounce box is expected to cost $2.70

OpenStudy (anonymous):

yeah mine too come to the next one

OpenStudy (imstuck):

I'll be here!

OpenStudy (anonymous):

ok

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