I can't speak to the cactus specifically, but any sphere has a surface area of 
and a volume of 
, so the area-to-volume ratio wold be
Where <em>r</em> is the radius of the sphere.
Where <em>r</em> is the radius of the sphere.
What is the answer for a
2 answers:
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the price is 0.55$ per square foot
Step-by-step explanation:
We can solve the problem by using the rule of three.
In fact, we know that:
1 gallon covers an area of
While the price per gallon is
$55 per gallon
This means that the price per is $55, since 1 gallon cover
Therefore, to find the price per square foot, we can write
WHere x is the price per square foot. Solving for x,
So, the price is 0.55$ per square foot.
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