SOLUTION: A rectangular field is to have an area of 25m^2 and is to be surrounded by a fence. The cost C of the fence is 20 dollars per meter of length. Express the total cost of the fence i
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Question 395097: A rectangular field is to have an area of 25m^2 and is to be surrounded by a fence. The cost C of the fence is 20 dollars per meter of length. Express the total cost of the fence in terms of the width of the field (use the variable 'w' for width).
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
If the width is w meters, then the length is 25/w meters. The perimeter is
P = (meters)
Multiply by $20/meter to obtain
(dollars)
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