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Mathematics 21 Online
OpenStudy (anonymous):

find the cost per liter of a mixture made from 70l of cranberry juice that cost $1.20 per liter and 130 l of apple juice that cost $0.80 per liter.

OpenStudy (experimentx):

(701*1.2+130*0.8)/(701+130)

OpenStudy (anonymous):

So what is the ans

OpenStudy (radar):

I think that is 70 liter not 701

OpenStudy (anonymous):

i put L for short so do u have the and

OpenStudy (radar):

Calculate the total liters of the mixture I think that is 70 + 130 liters, but not sure of your numbers.

OpenStudy (anonymous):

70L of cranberry juice and 130L of apple juice

OpenStudy (experimentx):

yes ... total cost of mixture over total litres of mixture

OpenStudy (radar):

After you get the total number of liters of the mixture figure your cost. As experimentX did in this first post........but please clarify the amount of cranberry juice. O.K. I see you did that, and the cost would be 70 X 1.20= $84.00 plus 130 X .80 =$104. For a total of of $188.00

OpenStudy (radar):

Figure you cost per liter from those totals. Let us know what you got.

OpenStudy (anonymous):

before u just pos i just did that then i put 188+200= 388

OpenStudy (radar):

Why did you add? Where did the 200 come from?

OpenStudy (radar):

cost/liter cost per liter is the question?

OpenStudy (anonymous):

yes

OpenStudy (radar):

Total cost is $188.00 Total liters is 200 cost per liter is like saying cost divided by liters or $188/200 And I see how you got the 200. That is good.

OpenStudy (radar):

Hint it will be more than .80 but less than 1.20

OpenStudy (anonymous):

if i put 188/200 i get 0.94 and if i put 200/188 i get 1.0638 so i still need the ans

OpenStudy (radar):

The 188/200 is the way to go bigbaby05

OpenStudy (radar):

You will be selling this cranberry/ apple juice mixture for .94 dollar (94 cents) per liter, but I would charge a $1.00 for all the trouble mixing it up lol

OpenStudy (radar):

Any further questions?

OpenStudy (anonymous):

thanks radar have another ques for u 6+2x do not know how to put the greater or less then sign so 6+2xgreater or less then x-10 Write the solution set in set builder notation and graph it delow

OpenStudy (radar):

Gotta take dog outside, be back

OpenStudy (anonymous):

k

OpenStudy (radar):

I don't believe I can not do that, never studied sets. However the less than symbol may be on your compurter by pressing shift key and the , (comma) and the greater than key by pressing shift and . (period). Also by clicking on the leftmost "Equation" beneath the entry box for post you get an editor that can let you put all kinds of neat symbols\[<>\le \ge \neq\] etc.

OpenStudy (radar):

Sorry for the double negative, but can't do that problem, post it and someone will help.

OpenStudy (anonymous):

what sign do u use to get the less then greater then symbols not the ones by them self but the third one u did

OpenStudy (radar):

From the equation editor that is provided for you Click | | | here

OpenStudy (anonymous):

trying to do the > sign with the line under it

OpenStudy (anonymous):

are u there

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