Home » 0 Percent Credit Cards » Do you see how not knowing this simple math lead to such situations?

Do you see how not knowing this simple math lead to such situations?

Now I’ll start off by saying that Math is not one of my strong suits. However, what is simple to understand but not known by many at all-is the Exponential Function’s application to many of the worlds problems.

Now, stay with me here-this is important.

Let’s say that we have a 7% growth of something-anything.

If a town has 1000 people in it, and it grows at 7% every year, it would only take 11 years to be more than double. This is called-”Doubling Time”.

You find this by taking 70 and dividing it by the percentage of growth, we find the doubling time.

Many are not aware of how critical this is to understanding many of the worlds problems.

So let’s see how this works-

Year 1
100 X 1.07 = 107

Year 2
107 X 1.07 = 114.49

Year 3
114.49 X 1.07 = 122.5043

Year 4
122.5043 X 1.07 = 131.079601

Year 5
131.079601 X 1.07 = 140.255173

Year 6
140.255173 X 1.07 = 150.073035

Year 7
150.073035 X 1.07 = 160.578147

Year 8
160.578147 X 1.07 = 171.818617

Year 9
171.818617 X 1.07 = 183.845920

Year 10
183.845920 X 1.07 = 196.715134

Year 11
196.715134 X 1.07 = 210.485193

Let’s use Population growth as an example-
The United States has a 0.975% growth rate. This sounds ridiculously small, I know. But consider it would take 72 years to double.

Meanwhile, Niger would double in as little as 20 years in population-and most poorer nations have high birthrates exceeding 2.5% percent.
https://www.cia.gov/library/publications/the-world-factbook/rankorder/2002rank.html

Go ahead, use this method on anything you wish too-70/Growth% to see how long it would take something to double at a steady percentage growth. What about your credit card interest rate? Or inflation? Take your pick and see just how quickly it can get out of hand.

Do you see how not knowing this simple math lead to such situations?
Now, if you have $100 (or whatever your currency is where you are from), and I offer you two choices-

1. Every month, I will give you 7% more than you had the previous month.

2. Every month, I will give you $7 dollars more than you had the previous month.

Which one is the better deal?
Chucky O-I never said it WOULD remain unchecked-in fact, my entire point was that it should not remain unchecked.

And yes, the number may be 72 (my bad if it is), but that still doesn’t invalidate the fact that these numbers can get out of control very quickly.
The Human Factor? Do you assume that it’s always beneficial? Where was it’s benefit in Germany after WW1-where Hyper inflation took root and helped rocket Hitler into Power? Where was it when the global population skyrocketed, leading to many of the problems we see today? Where was it when we wiped out species after species? Where is it now? Have we learned our lessons yet?

Tags: such, cia gov, knowing, This, Math, credit card interest, lead, situations

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7 Comments

people already know this, they just assumed they would be in a better financial situation before that happened….the american dream


Honey I’m innumerate and even I get that…I mean seriously innumerate….it’s a form of dyslexia known as number blindness…I just don’t get maths…my brain doesn’t work that way. So I can’t even do long division…I to this day don’t know my multiplication tables…..

And like I said, even I get that. But I worked it out a different way.

I know the corporates are out to screw us all…becaue they are inherently evil and seek to concentrate all the worlds wealth into as few hands as possible as quickly as possible. And they don’t care how many they kill and maim in the process.

So if they want me to have it, I don’t need it, I probably can’t afford it, it will almost certainly be bad for me and someone has suffered to produce it.

I think ultimately we end up at the same conclusion.But really, I tried working it out your way…and it made my head hurt!!
lol!


Some of your facts are wrong.

The “rule” is the rule of 72, not 70, and it is just an approximation. If you want the real number, you have to do the math. (It works better in the “middle” numbers around 4% to 10%; the smaller or larger the number is, the more off it is).

And, nothing continues to double unchecked, especially populations. Many countries have reached population equilibrium, or, in some cases, have a NEGATIVE population growth. After a certain wealth level, humans seems to self-limit their own population.


Like Scorched Eartha I don’t understand the simplest of math. But I do know what you are talking about. Still it doesn’t always add up the way you have outlined it here because it does not take in the human factor.


That’s all Greek to me.


That is the old rule of 72. It is often used to figure how long it will take to double your money. Shortcuts like that are really handy.


i knew this already.


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