Answer:
x=0.3
Step-by-step explanation:
we can organize the equation in a convenient form and to simplify

now we can apply log in base 2 to get x

where we have used that

I hope this is useful for you
regards
Answer:
i belive it is 13.25
Step-by-step explanation:
Answer:
350
Step-by-step explanation:
Let the number of adult tickets be x, then the number of student tickets sold would be (x–54).
We now have
x+(x–54)=646
2x=700
x=350
Therefore, 350 adult tickets were sold.
Answer: $30.40
Step-by-step explanation: If you know that the original price is $38 and it was marked down by 20%, you could multiply the original price by ".80". This represents 80% of the original cost, since it was marked down by 20%. By multiplying $38 by .80, you end up with $30.40.
Hope this helps!