The given expression is the total cost of tiling and fencing the patio , Option D is the correct answer.
What is a square ?
A square is a two-dimensional figure , and a polygon with four sides , All the sides and angles of square is equal .
It is given that
Lucia is building a square patio with a side length of n feet.
She will cover the floor of the patio with tiles and put a fence around the
perimeter of the patio.
The tiles cost $5 per square foot
The fencing costs $3 per foot
She will also buy additional supplies for $25.
Let n represent the edge length, in feet, of the patio.
the expression 5n² + 12n + 25 represent = ?
Area of the patio in square shape will be given by
side * side = n * n =n²
Title cost total = $5 * n²
Title cost total = 5 n²
Perimeter of the patio is given by 4 * side
Perimeter of the patio = 4n
The fencing cost = 3 * 4n = 12n
and the additional cost is $25
The total cost = 5 n² + 12n + 25
Therefore the given expression is the total cost of tiling and fencing the patio , Option D is the correct answer.
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