The formula for density = number/ area
In this case number=20
area = 5m^2
Density = 20/5=4 mice per m^2
The right answer is <span>A. 4 per m2</span>
11x10=110
110+40=150
150/6=25
25-8=17
17 is the number.
The answer is .469 its just simply both percentages as percents multiplied together so .7*.67= .469