The answers comes to be for every 1 unit of pure acid (100%) add three units of 20% and you get the desired 40%
so if you need 40 L (i don't know what container sizes there are so i can't give you an exact amount just add 1 part 100% acid and 3 parts 20% acid) <span />
Answer:
3(-4x+8)= now distribute it -12 x+24 so the answer will be that
You are rigth because it just said that it is
Answer:
Step-by-step explanation:
<em>Look at the pictures.</em>
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In the ΔAED the sides are in the proportion 
Therefore we have the equation:
Therefore
The formula of an area of a parallelogram:
We have
Substitute:
Total accidents = 400
Multiple vehicles would be both 2 and 3 or more columns.
Involved alcohol for 2 or more vehicles = 96 +19 = 115
Probability = 115 / 400 = 23/80
