Answer:
4
Step-by-step explanation:
Answer:
$22.50
Step-by-step explanation:
15% of 150=22.5
Answer:
(3×20%+2×70%)/3+2=40%
Step-by-step explanation:
Assuming the potions are the same type or do mix then probably the concentration of the potion depends on the type of reaction they have to each other.
Yet we can average the percentage of the active ingredient by the principle mentioned above
Answer:
-11
Step-by-step explanation:
Answer:
3^(n+1) - 3^n / 3^(n-1) = 6
