8. Kelly wants to buy a magazine that is $25. Later the magazine was marked up an additional 20%. What is the new price?
1 answer:
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Answer:
r equals StartFraction C Over 2 pi EndFraction
Step-by-step explanation:
we know that
The circumference of a circle is equal to
where
r is the radius of the circle
Solve for r
That means -----> isolate the variable r
Divide by 2π both sides
Simplify right side
Rewrite
so
r equals StartFraction C Over 2 pi EndFraction
Yes. It is equivalent to 3. Combine like terms
