anonymous
  • anonymous
Help me please!! I will medal and fan!! Meg has a can that contains 80% of orange juice and the rest water. The can has 1 liter of water. SCROLL ALL THE WAY DOWN TO SEE MY QUESTION Part A: Write an equation in one variable that can be used to find the total number of liters of orange juice and water in the can. Define the variable used in the equation. (5 points) Part B: How many liters of orange juice are present in the can? Show your work.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Plasmataco
  • Plasmataco
y=4x.
Plasmataco
  • Plasmataco
think about it. 80 percent is 4 times 20 percent.
anonymous
  • anonymous
ok

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Plasmataco
  • Plasmataco
4*1=4 (part 2)
anonymous
  • anonymous
following u
anonymous
  • anonymous
Write an equation in ONE variable that can be used to find the total number of liters of orange juice and water in the can
anonymous
  • anonymous
what??
anonymous
  • anonymous
plz help @Plasmataco
anonymous
  • anonymous
what the heck does \(y=4x\) mean in this context?
anonymous
  • anonymous
i dont know?
anonymous
  • anonymous
me neither
anonymous
  • anonymous
lets go slow, read the question carefully, name a variable, and see if we can come up with an equation that solves what we are looking for
anonymous
  • anonymous
ok
Plasmataco
  • Plasmataco
oh. Well, picture it in your head. If 80% is OJ, how much percent is water?
anonymous
  • anonymous
20??
anonymous
  • anonymous
the question asks, "Write an equation in one variable that can be used to find the total number of liters of orange juice and water in the can"
Plasmataco
  • Plasmataco
ok.
Plasmataco
  • Plasmataco
so isn't there 4 times more OJ than water?
anonymous
  • anonymous
we actually know the liters of water in the can, it is 1 as you are told that so what we need to find is the number of liters of orange juice in the can
Plasmataco
  • Plasmataco
so if there is one liter of water, there should be 4 time more in OJ
anonymous
  • anonymous
now as @Plasmataco said, after he wrote that nonsense about \(y=4x\) which has nothing to do with this, there is in fact 4 times more oj than water, so since there is one liter of water there must be 4 liters of ok, the total being 5 liters lets still come up with an equation that we can solve
Plasmataco
  • Plasmataco
1*4=4
Plasmataco
  • Plasmataco
and woah! don't attack me. I wuz tryin halp.
anonymous
  • anonymous
if we put say \(x\) as the number of liters of OJ, then we know two things first we know \(x+1\) is the total number of liters of mix, and we know that \(80\%\) of it is OK, so we know \[0.8\times (x+1)=x\]
anonymous
  • anonymous
if you solve that equation in ONE variable (which we have defined as \(x=\) the number of liters of OJ we will get \(x=4\)
Plasmataco
  • Plasmataco
...
Plasmataco
  • Plasmataco
1*4
Plasmataco
  • Plasmataco
whatevs, we're both right.
Plasmataco
  • Plasmataco
XD
anonymous
  • anonymous
so confused omg
Plasmataco
  • Plasmataco
just... 4 liters of orange juice and 0.8*(x+1)=x
anonymous
  • anonymous
ok? so .8 times (x plus one) equals x?
Plasmataco
  • Plasmataco
or... if you want to take it really simple, X=4*1. You should probably use the other one. XD
anonymous
  • anonymous
thx
Plasmataco
  • Plasmataco
no problem
anonymous
  • anonymous
^^ @pooja195 but the question asks for an equation that gives me the total liters, oj+water in the can, so would x=.8x(t+1) be right, if t=oj and x=total amount?
anonymous
  • anonymous
@Hero ??
anonymous
  • anonymous
pleease? @Hero ? can u suggest any1 to help?
anonymous
  • anonymous
no... well, i just dont know if he got the message of the question :( read my last comment... @Hero
anonymous
  • anonymous
and not anymore
anonymous
  • anonymous
@nincompoop

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