Answer: 6 1/6
Step-by-step explanation:
1) First divide 10 1/2 = 5 1/4.
2) Then, since we divide 10 1/2 then we need to divide 12 1/3.
3) 12 1/3 divided by 2 = 6 1/6.
And there is your answer; 6 1/6
 
        
             
        
        
        
All you need to do is multiply 3 yards by 10 yards to get 30 square yards.
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
Add up all the sides to get the perimeter:

 
        
             
        
        
        
Answer:
She is doing a mistake of calculating interest after 9 months in place of after 12 months.
Step-by-step explanation:
Samantha deposit $300 in an account that earns an annual interest rate of 2.5%.
Now, Samantha after nine months of deposit computes the simple interest.
She is doing a mistake of calculating interest after 9 months in place of after 12 months.
The calculation of interest should be on a yearly basis (i.e. 12 months) as the interest rate is 2.5% per year. (Answer)