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tiny-mole [99]
3 years ago
8

Joey opened a bank account 5 years ago with $100. today he has $1000 in the account. what is the percentage od increase?

Mathematics
1 answer:
anyanavicka [17]3 years ago
7 0
To calculate the percentage increase:

First: Find out the difference (increase) between the two numbers you are comparing.
It is computed by: Increase = New Number - Original Number


Second: Divide the increase by the original number and multiply the answer by 100.
It is computed by: % increase = Increase ÷ Original Number × 100.

So in the problem:
First step:Increase = 1000 – 100
Increase = 900

Second:
% increase = 900 / 100 x 100%
increase = 900% increase
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Step-by-step explanation:

Step 1: Write equation

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Step 2: Solve for <em>x</em>

  1. <u>Distribute:</u> -5x + 7 + 4x = -6x + 8
  2. <u>Combine like terms:</u> -x + 7 = -6x + 8
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Step 3: Check

<em>Plug in x to verify it's a solution.</em>

-5(1/5) - (-7 - 4(1/5)) = -2(3(1/5) - 4)

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