As viewed from above, a swimming pool has the shape of the ellipse x21600+y2400=1, where x and y are measured in feet. the cross sections perpendicular to the x-axis are squares. find the total volume of the pool.

I suppose the ellipse should have the equation

Then the cross sections are squares with side lengths

so that each section contributes an area of

Then the total volume of the pool would be given by

wholesale price is the initial price before markup. retail price comes after the markup.

a price of 8 bucks that's marked up by 100%   is

formula: initial price + (percent markup in fraction/decimal)(initial price)

8+(1)(8)

8+8

16

retail price is $16.

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