First, you need to know what is 25 percent of 45, so you do 45 times 25 divided by 100 and you are going to get 11.25. Then you take the 45 and subtract those 11.25, which will give you 33.75 because it's saying how much was it before the sale. That's your final answer.
Answer:
Below because there is a lot to explain
Step-by-step explanation:
The Minimum of the data set is 20 and the maximum is 75, the median of the data set is 50, and the interquartile range is 30. The data is most likey asymetrical due to the average being median and not mean. Hope this helps :)
Answer:
The exact area of the annulus (ring) made by the two circle is 
Step-by-step explanation:
Given:
Let the radius of outer circle i.e CA be 
Let the radius of inner circle i.e CB be 
The diagram is given below as attachment.

Substituting the values we get

Answer:
14, 18, 20
Step-by-step explanation:
You have to replace the number in the "s" column with the "s" in the problem. For example the first number in the table is 2 so you have to put 2 into the problem then add it with 12 and you get 14.