Posted by **bekah** on Sunday, January 2, 2011 at 11:32am.

can you just show me how to set this up? or a formula that could help? im confused.

The length of a rectangle is increasing at 3 ft/min and the width is decreasing at 2 ft/min. When the length is 50 ft and the width is 20 ft, at what rate is the rectangle decreasing?

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