Answer:
300 [tex]m^{2}[/tex]
Step-by-step explanation:
The spread has a rate of 25 [tex]m^{2}[/tex] per every 1/6 hour. That can be expressed as 25 [tex]m^{2}[/tex] per every 1/6 hour:
25 [tex]m^{2}[/tex]/ (1/6 hour), or
150 [tex]m^{2}[/tex]/hour
After 2 hours, the spread would be (150 [tex]m^{2}[/tex]/hour)*(2 hours) = 300 [tex]m^{2}[/tex]