Conversion factor is the term that is to be multiplied to a variable when converting between units. The conversion factor is: 
Given that:

From standard unit of conversion:

So, we have:


Cross multiply

Divide both sides by 1kg

Rewrite as:

Hence, the conversion factor is: 
Read more about conversion factors at:
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Answer:
4(30 +1)= 4(30) + 4(1)
Step-by-step explanation:
The property states a(b+c)= ab+ac.
30 and 1 equals 31, then you just plug the two numbers into the equation.
Answer:
The blue one
4, 2
6, 3
12, 6
Step-by-step explanation:
The simplest form is 3/8. this because 4 divides both sides
Answer:
27.5
Step-by-step explanation:
Radius is half the diameter of a circle so just divide 55 by 2.