The error is that the numbers are not in order from least to greatest.
To find the median of data you need to first put the numbers in order from least to greatest.
Let D be Daniel's present age, then we can represent Kevin's present age as 3D because Kevin is 3 times as old as Daniel.
We can write an expression for Daniel's age 4 years ago as D-4 and Kevin's age 4 years ago as 3D-4.
We are told that 4 years ago Kevin was 5 times as old as Daniel. We can write this information as:
Now let us solve our equation to find Daniel's present age.




Daniel's present age is 8 years. Now we will multiply 8 by 3 to get Kevin's present age as Kevin is 3 times old as Daniel.

Therefore, Kevin is 24 years old now.
Answer: 10.0
Step-by-step explanation: 10/1=10=10.0
Answer:
That would be 6.5 inches.
Step-by-step explanation:
Price of one shirt =?
Six packages of three t-shirt = 6 x 3 = 18 shirts
18 shirts = 71.39
1 shirt = 71.39/18
1 shirt = 3.966 or 4