Suppose a long rectangular sheet of metal, 12 inches wide and 10 feet long, is to be made into a rain gutter by turning up two

Question

Suppose a long rectangular sheet of metal, 12 inches wide and 10 feet
long, is to be made into a rain gutter by turning up two sides so they
are perpendicular to the sheet.
How many inches should each side be turned up to give the gutter its
greatest capacity?

Kunduz · Accepted Answer

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