Do you have a formula sheet or was one provided to you
Answer: This would fill 4 and 4/9 containers.
Explanation:
Since we have given that
Quantity of walnuts in a container is given by

Quantity of walnuts which divided equally into containers is given by

Now, number of containers they would fill is given by

When we change it into mixed fractions we get,

So, blank will be filled with '4'.
Let the second no. be x
-3x = 21 → x = 21/-3 → x = -7
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)