Answer:
B
Step-by-step explanation:
Divide the sum obtained in preceding step by total number of frequencies.
Answer:
capacity of the container is 4 pound
Step-by-step explanation:
We have given that a container of the coffee is
full
And it contains
of a pound so
pound
It means
f of container contain
pound coffee
So capacity of the container is 
So capacity of the container is 4 pound
Answer:
It will take 55 years for the account value to reach 38200 dollars
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:

In which E are the earnings, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
After t years, the total amount of money is:
.
In this problem, we ahve that:

So
First we find how much we have to earn in interest.
.


How much time to earn this interest?




Rounding up
It will take 55 years for the account value to reach 38200 dollars
Maybe 7.4 pounds idk sorry if I’m wrong