Answer:
[tex]\$103.75[/tex]
Step-by-step explanation:
step 1
Find the area of the gate
The area of the gate is equal to the area of a trapezoid minus the area of the rectangular glass panel
[tex]A=\frac{1}{2}(10+7)(5)-(0.71)(1.43)= 41.5\ ft^{2}[/tex]
step 2
Find the cost
Multiply the total area by $2.50
so
[tex]41.5*2.50=\$103.75[/tex]