16 for every 100
8 for every 50
1 for every 16
.5 for every 8
Given:
The expression is

To find:
The simplified form of the given expression.
Solution:
We have,

It can be written as

![[\because a^2-b^2=(a-b)(a+b)]](https://tex.z-dn.net/?f=%5B%5Cbecause%20a%5E2-b%5E2%3D%28a-b%29%28a%2Bb%29%5D)
Taking LCM, we get




Cancel out the common factors.

Therefore, the simplified form of the given expression is
.
And if you need an example this is the website I went to: http://www.mathsisfun.com/data/standard-deviation.html
Answer:
the total weight sold is 750g
Step-by-step explanation:
300+150=450
450+300 = 750
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