Answer:
15 5mg tablets
Step-by-step explanation:
The dog needs 7.5 mg a pound. He weighs 10 lbs so multiply 7.5 by 10. You get 75 so divide it by 5. Answer is 15
 
        
             
        
        
        
Area of the triangle at the top=1/2basexheight 
1/2x10x 2= 10
Area of rectangle =length xwidth
9x10=90
Total area =area of triangle +area of rectangle 
90+10=100m^2