Mathematics

Darnell Tanner

26 September, 06:44

A rectangular field will have one side made of a brick wall and the other three sides made of wooden fence. Brick wall costs 10 dollars per meter and wooden fence costs 20 dollars for 4 meters. the area of the field is to be 2400m^2. What length should the brick wall be to give the lowest total cost of wall plus fence?

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