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I will gladly appreciate if you help. Thank you very much.
$12 oz * 2= arabica $9 oz *4 = robusta arabica + robusta = pranav just plug in the w ($12 oz * 2)+($9 oz *4 )= pranav
hmmm my teacher uses the box and then he plugs it in like that. XD Do you know how to use the rectangular box version?
He plugs in the numbers in there and then he puts it into that equation you wrote.
C stands for cost /concentration and A is for amount
|dw:1363159234819:dw| x can equal c*a which is cost
I just want to know how you can plug in the box and transferring it into that equation. XD I forgot to add more detail to the drawing XD
How do you know which box to plug in the numbers? Like which number goes to which box square?
maybe i am just guessing but you dont need the box the box is just a visual aid.
wel lI am more of a visual learner. :P XD
I got 60 as well. XD But its asking the cost per oz of mixture. So is it just 60?
So then I am correct. XD
Why did he have to make it complicated like that . may I ask you one more question for another math problem
A chemist wants to mix 12 grams of 10 percent salt solution with some 75 percent salt solution to get a 20 percent salt solution. How many grams of the 75 percent salt solution are needed? I got an answer of 2.18
idk tho not 100 sure
ok then thanks though I appreciate your help ^.^ I will figure out the rest on my own by examining the review I went over with m teacher thank you.
btw i am wrong on that last one
2.608695652 now i get
1/120+2/(4*a) = (20/100) is formula