Question

You want to mix a 5% blue dye with a 20% blue dye to make a 12% blue dye. The function y = 100(0.05)+x(0.2)/100+x gives the concentration y of blue dye after you add x mL of the 20% dye to 100 mL of the 5% dye. How much of the 20% dye must you add to get a dye that is 12% concentrated?

Answer 1

come on people help us out here.! lol

Answer 2

Forreal man Iv been stuck on this problem for 20minutes. I got other work to do to.

Answer 3

haha same here i have like 6 more lessons to do

Answer 4

@thepavand Do you know the answer. You've reviewing this problem for awhile?

Answer 5

lol . the other guy left my question ;(

Answer 6

Haha he didn't know it.

Answer 7

Theres not many helpful people on here as i thought or is it just our hard problems

Answer 8

haha its probably because its a hard question. im about to just guess and move on haha

Answer 9

Lets just skip it and do the workpad

Answer 10

okk im guessing 87.5

Answer 11

Ill go back over that later. Okay number 13 workpad

Answer 12

i think its a direct variation

Answer 13

How ? How can we explain ?

Answer 14

well 3*3 is 9 9*3 is 27 and so on

Answer 15

So write that on the workpad?

Answer 16

How bout you do it and snip it to me in and attached file so i can see what your talking about.

Answer 17

well direct variation equation is y =kx so we write direct variation and in a new step write y=3x
how do i "snip" something? lol

Answer 18

do you have windows ?

Answer 19

i think.

Answer 20

lol check on your computer on the left hand side go to your windows then click search, then you "search for file" <-- click that and type in snipping tools it will pop up. Once you do that you can crop the picture and show me

Answer 21

for example

Answer 22

lol yeah i dont see where to do that. one second haha ill try to figure this out

Answer 23

okay.

Answer 24

if you cant do it. dont worry ill explain it much better later. whatever you put in the workpad just write to me so i can do the same.

Answer 25

im downloading windows lol

Answer 26

Lol what ? windows should come with your computer

Answer 27

It should look like that on the bottom left side of your computer

Answer 28

what is your answer for 13 in the workpad?

Answer 29

well here dont type in the box where you wrote before type it in the box above it " direct variation" then add a new step, delete the "direct variation" from the new step and write in y= 3x

im using firefox so idk if its the same

Answer 30

So just wrire what you said "direct variation" then add a new step, delete the "direct variation" from the new step and write in y= 3x"

Answer 31

Firefox should still be the samething. I mean idk

Answer 32

yes show me a pic when you're done. still trying to figure out the snip thing

Answer 33

Is that right ?

Answer 34

nooo write direct variation where the question mark is

Answer 35

Oh haha okay

Answer 36

Okay i did that

Answer 37

haha yeah, erase all of that in the box you wrote all the stuff in
then start a new step, and instead of having direct variation where the question mark is, put y=3x

Answer 38

Like this ?

Answer 39

lol in the first step, erase the y=3x and put it in the second step in place of direct variation

Answer 40

got it. is that it?

Answer 41

yes. thats all you put. hahah

Answer 42

Okay cool . Moving on number 14? You got it? It seems like your ahead of me

Answer 43

lol no im not ahead of you, i was trying to find the snipping tools and helping you with the work pad. i have no idea how to compare them.

Answer 44

Well basically if you have a windows then you can do it. If not im not sure. Basically you go to your windows. Click search once you click search it will say "For files or folders" click that and on the search line type "snipping tools" it should pop up once you click that your good to go.

Answer 45

it says no items match your search. but i checked and i have windows. lol

Answer 46

i got it...lol nvm

Answer 47

Good : )

Answer 48

yayyy! lol

Answer 49

should look like this

Answer 50

Perfect thats what i got

Answer 51

lol ok