anonymous
  • anonymous
Use the three steps to solve the problem. One number is 800 less than 3 times the other, and their sum is 1,200. Find the numbers.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
One number is x. The other number is expressed in terms of this number, in terms of x. So, the other number is 3x - 800. Add both together and set to 1200. Solve for x.
anonymous
  • anonymous
???
anonymous
  • anonymous
Where are you stuck?

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anonymous
  • anonymous
i dont understand none of it :(
anonymous
  • anonymous
Ok, from the very start. You are being asked to add two numbers and get 1200. So, an initial equation could be x + y = 1200. This follows follows from "...and their sum is...". Do you follow?
anonymous
  • anonymous
yes
anonymous
  • anonymous
One number is x and the other is y, but you can express y in terms of x.
anonymous
  • anonymous
let x be the number then less than means subtract i think 800-3x=0......1 800+3x=1200...........2 solve further
anonymous
  • anonymous
As I pointed out in the first post, the second number, y, is 3x - 800.
anonymous
  • anonymous
okay
anonymous
  • anonymous
So, add x and 3x - 800 and set that = 1200.
anonymous
  • anonymous
262
anonymous
  • anonymous
938
anonymous
  • anonymous
Well, you have x + (3x - 800) = 1200 -> (x + 3x) - 800 = 1200 -> 4x - 800 = 1200. Can you find x from here?
anonymous
  • anonymous
Add 800 to each side.
anonymous
  • anonymous
idk this is to confusing
anonymous
  • anonymous
Are you having trouble adding 800 to each side of the equation 4x - 800 = 1200?
anonymous
  • anonymous
ik how to add just this problem is so confusing
anonymous
  • anonymous
200??
anonymous
  • anonymous
Any problem can be hard if there are a lot of steps and you desire to go from step 1 right to step 10 or step 15. Problems definitely do get easier when you go only to the next step. You will eventually get there, but it isn't always quick. In the beginning, you have to do all the steps, but then it gets easier because you can then either skip a couple steps or just do them faster with practice.
anonymous
  • anonymous
4x - 800 = 1200 -> 4x = 2000 -> x = 500. So 500 is one of your numbers. Can you get the other number?
anonymous
  • anonymous
Hint, they add to 1200. So, 500 + y = 1200.
anonymous
  • anonymous
okay 700
anonymous
  • anonymous
Yes, you got it! It is helpful to go back to the original problem and then you will be able to see how those numbers satisfy both conditions.
anonymous
  • anonymous
thank you
anonymous
  • anonymous
Before you go, one question.
anonymous
  • anonymous
ya?
anonymous
  • anonymous
Do you find that you are getting this even a little better now? The whole goal is for students to learn a little bit and feel more comfortable with math. Too often some go throughout life with an uneasiness about math, and they wish they didn't.
anonymous
  • anonymous
yes i think i am getting a little bit better
anonymous
  • anonymous
The solving of problems does help in many ways, one of which is general problem-solving, even outside of math, acquiring a certain amount of discipline and just feeling good. You're a nice person and I hope you do well in life.
anonymous
  • anonymous
thanks and u too

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