Along strip of tin 30 cm wide is to be made into a gutter with rectangular cross section by turning up equal widths along the edges. Find the depth of the gutter which yields the greatest carrying capacity.

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Along strip of tin 30 cm wide is to be made into a gutter with rectangular
cross section by turning up equal widths along the edges. Find the depth of
the gutter which yields the greatest carrying capacity.
Transcribed Image Text:Along strip of tin 30 cm wide is to be made into a gutter with rectangular cross section by turning up equal widths along the edges. Find the depth of the gutter which yields the greatest carrying capacity.
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