anonymous
  • anonymous
Can someone please help me?!?!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
whats your problem?
anonymous
  • anonymous
I need help trying to figure out equations for a few word problems. i have a test tomorrow and ive been struggling with this for days now, on the verge of tears. Here's the problem: ** Jason paid five times as much for his computer as he did for his printer. He paid a total of $1320 for both items. What did each item cost?**
anonymous
  • anonymous
all you have to do is translate each word :)

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anonymous
  • anonymous
Right, but when I do and try to put an equation together, it seems impossible to solve.
anonymous
  • anonymous
I dont want anyone to do my homework for me, I just need help trying to figure out and understand an equation for the word problems.
anonymous
  • anonymous
Take the first sentence. Choose a variable for how much he paid for his computer and another variable for how much he paid for his printer.
anonymous
  • anonymous
Right, C=Computer, P= Printer
anonymous
  • anonymous
Then write the equation given by the first sentence. And a second equation for the second sentence.
anonymous
  • anonymous
"Jason paid five times as much for his computer as he did for his printer"
anonymous
  • anonymous
So, i got (C*5)+P
anonymous
  • anonymous
That's not an equation.
anonymous
  • anonymous
then that's where Im stuck and obviously having problems
anonymous
  • anonymous
If he pays 4 dollars for the printer. How much did the computer cost?
anonymous
  • anonymous
$20
anonymous
  • anonymous
Right. So let me rephrase the sentence and you tell me if my version means the same thing.. "The amount Jason payed for the computer was five times what he paid for the printer"
anonymous
  • anonymous
Im crying! I cant get passed (C*5)+P=1320 (his total), right? Or am I getting ahead of myself?
anonymous
  • anonymous
Ahead of yourself.
anonymous
  • anonymous
figure out what C is equal to in terms of P so you can plug that in to your equation with only one variable
anonymous
  • anonymous
Was my version of the sentence equivalent to the original?
anonymous
  • anonymous
Yes. So it would be C*5=P?
anonymous
  • anonymous
Yes.
anonymous
  • anonymous
Well no
anonymous
  • anonymous
H U H ? ! ? ! :'(
anonymous
  • anonymous
if C=20, what would the printer cost be by that equation?
anonymous
  • anonymous
100
anonymous
  • anonymous
And that's not right. He was supposed to only pay 4 dollars if the computer was 20
anonymous
  • anonymous
C = 5P ^ Amount for the computer ^ was ^five times the printer
anonymous
  • anonymous
This is frustrating for me. So I had to switch the C and P?
anonymous
  • anonymous
Yes. Because C is 5P
anonymous
  • anonymous
OH! I get it now. So the first part of my equation would be C=5*P
anonymous
  • anonymous
That is the first equation. The second equation comes from the next sentence. "He paid a total of $1320 for both items"
anonymous
  • anonymous
If P is the amount for the printer, and C is the amount for the computer. What is the equation we can infer from this statement?
anonymous
  • anonymous
C+(5*P)=1320
anonymous
  • anonymous
No.
anonymous
  • anonymous
why not?
anonymous
  • anonymous
If C is the amount you pay for the computer. And P is the amount for the printer. Then the total amount would be C + P
anonymous
  • anonymous
C+5P would be the amount if you buy 1 computer and 5 printers.
anonymous
  • anonymous
So the 5 times is already what the total is for P?
anonymous
  • anonymous
you know C + P = 1320 right. so replace C with your other equation and solve for P
anonymous
  • anonymous
You aren't buying 5 of anything. You buy 1 C and 1 P. and the total was 1320.
anonymous
  • anonymous
Now you can take what you know about C (=5P) and replace C in the equation to find what P is.
anonymous
  • anonymous
But i still dont have an equation. And I wont be able to figure out how to solve it. This is really confusing!
anonymous
  • anonymous
You do!. C+P = 1320
anonymous
  • anonymous
Since C = 5P, 5P + P = 1320
anonymous
  • anonymous
I do appreciate your time, I hope you dont feel like its a waste. Thank you very much! <3
anonymous
  • anonymous
Do you follow the process we used here?
anonymous
  • anonymous
So there's 2 separate equations because we are trying to figure out 2 different amounts, right?
anonymous
  • anonymous
so the total price of the computer and printer together is 1320 dollars, which means that C + P = 1320....and you know that the computer is five times more expensive than the printer, which is C = 5P.... so if C =5P and C + P =1320, then replace the C in the second equation and you have 5P + P = 1320
anonymous
  • anonymous
ok, I think I got it. So, how will I be able to solve it? I know I need to figure out what C is first, right?
anonymous
  • anonymous
There's two equations because there are two different pieces of information given in the problem.
anonymous
  • anonymous
No, you have 5P + P = 1320. You solve for P
anonymous
  • anonymous
now with that just solve for P... then P is the price of your printer so once you solve for it, the price of your computer is the total price minus the price of the printer
anonymous
  • anonymous
Ok. I would divide 5 from 1320 which is 244. P=244 Then I would take the 1320 and minus that by 244 to get C. C=1076 Is this correct?
anonymous
  • anonymous
5P + P = 1320 is the same as 6P = 1320....so you divide 1320 by 6
anonymous
  • anonymous
5P + P = 6P
anonymous
  • anonymous
Ok. So 6 divided by 1320 = 220 P=220
anonymous
  • anonymous
Then subtract 220 from 1320 and that equals C C=1100 Is this correct?
anonymous
  • anonymous
Yes exactly!:)
anonymous
  • anonymous
OH HAPPY DAY! ^_^
anonymous
  • anonymous
LOL! THANK YOU SO MUCH!
anonymous
  • anonymous
I got one more before I go to bed. Are you up for helping me on it?
anonymous
  • anonymous
What's up B?

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