<u><em>Answer</em></u>

<u><em>Explanation</em></u>
Based on the given conditions, formulate:: 
Substitute
into
:: 
Rearrange variables to the left side of the equation: 
Calculate the sum or difference: 
Divide both sides of the equation by the coefficient of variable: 
Cross out the common factor: 
Answer:
13.2 liters
Step-by-step explanation:
Answer:
D.
Step-by-step explanation:
Just picture the smaller triangle the same as the bigger one but flipped
Ex.) side HG = side AB
Yes she can find the average colour by adding up all the amount of colors by how many colors there are.
You can make a rough estimate by saying that is approximately 200 divided by 50 which equals 4.
Answer is A 4