SOLUTION: I am trying to understand how x - .30x turns into .7 This is only a part of the question I am working on which is 130.90=x - .30x I am stumped on the x

SOLUTION: I am trying to understand how x - .30x turns into .7 This is only a part of the question I am working on which is 130.90=x - .30x I am stumped on the x - .30x part ...this ques

Question 893250: I am trying to understand how x - .30x turns into .7
This is only a part of the question I am working on which is 130.90=x - .30x
I am stumped on the x - .30x part ...this question is an example question and provides the ultimate answer but does not explain
I hope you can help me
Thanks

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
I am trying to understand how x - .30x turns into .7
It doesn't.
x - 0.30x = 0.7x, not 0.7
---
x - 0.3x = 1x - 0.3x = x*(1 - 0.3) = 0.7x
--------
This is only a part of the question I am working on which is 130.90=x - .30x
I am stumped on the x - .30x part ...this question is an example question and provides the ultimate answer but does not explain
-------------
130.90=x - .30x
130.90 = 0.7x
x = 130.9/0.7
x = 187

RELATED QUESTIONS
I am working in week eight of math 116. I am on problem 13 which the first part is a... (answered by solver91311,Edwin McCravy)

Hello, I am trying to figure out this word problem for my Algebra I class. So far, I... (answered by rothauserc)

Hi, I am trying to complete an exam question on Further Maths Trigonometry. I have found... (answered by stanbon)

I am trying to graph a function and I understand how to solve it. What I do not... (answered by stanbon)

I am trying to translate this word problem into an equation so I can solve. The UCLA... (answered by scott8148)

I am trying to change this into slope-intercept form. The equation is 2x + 5y = 12. I... (answered by Alan3354,richwmiller)

Use the factor theorem and synthetic division to determine whether or not the first... (answered by josgarithmetic,Edwin McCravy)

Hello, I am working with functions just substituting and solving problems. The given is... (answered by josgarithmetic,jim_thompson5910)

I am working with slopes and the issue I have is finding slopes when you are only given... (answered by Mathtut)