Answer:
$800
Step-by-step explanation:
A = h × w
h = [tex]6\frac{2}{3}[/tex] m
w = 3 m
A = [tex]6\frac{2}{3}[/tex] m × 3 m
A = 20 m
each square meter costs $40
20 m × $40 = 800
answer: $800
