SOLUTION: The owner of a daycare center plans to have a rectangular sandbox built in the outdoor play area. The width (in feet) of the sandbox is given by the polynomial 2x-5. If the length
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Question 183368: The owner of a daycare center plans to have a rectangular sandbox built in the outdoor play area. The width (in feet) of the sandbox is given by the polynomial 2x-5. If the length of the sandbox is designed to be 10 feet longer than the width, write a polynomial that represents the area of the sandbox.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Let W=width and L=length
Since the width is the expression , this means that
Also, because "the length of the sandbox is designed to be 10 feet longer than the width", this means that
Start with the second equation
Plug in
Combine like terms.
------------------------------------------------
Move onto the area of a rectangle formula
Plug in and
FOIL the expression.
Multiply
Combine like terms.
===============================================
Answer:
So the polynomial that represents the area is
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