What is 12 is 30% of
2 answers:
Answer:
Step-by-step explanation:
If this question is 12 is 30% of what number then you would solve it as such:
Note that you can rewrite any percent as the value that they give you over 100, and also since the question says that 12 IS 30% then 12 should be directly across 30% in the proportion itself (as shown above).
This gives:
30x = 1200
Dividing by 30 gives us that
x = 40
So 12 is 30% of 40.
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First you want to subtract 36
so it looks like this
Then you want to cancel out the square root 4 by raising that to the 4th power (you must do this to both sides)
which is equal to
Then you take the cube root to both sides [tex]\sqrt[3]{(4x+164)^3}=\sqrt[3]{16777216}[tex]
Then you end up with the equation 4x+164=256
Then subtract 164 to both sides
4x=92
then divide 92 by 4
Then you get x=23