Answer:
 

 

Explanation:
 For this exercise it is important to remember that "Times as great as" indicates multiplication. 
 Therefore, "4 times as great as" can be expressed as following:
 

 So, the statement "24 is 4 times as great as" indicates that 24 is equal to 
 .
. 
 Knowing this, you can write the following equation:
 

 In order to solve for "k", you can divide both sides of the equation by 4. Then, you get the following result:
 
