***HELP PLEASE*** Cheryl writes 7 fewer posts than Kevin on a social media site.
Answer the questions to write an algebraic expression. Then evaluate the expression for the
given value.

1.) Choose a variable to represent the number of posts Kevin writes. Explain why you chose this
variable.
Write your answer in the space below.

2.) Which operation (addition, subtraction, multiplication, or division) applies to this situation?
Justify your choice.
Write your answer in the space below.

3.) Use your variable and the operation you identified to write an expression for the number of
posts Cheryl wrote.
Write your answer in the space below.

4.) If Kevin wrote 21 posts, how many did Cheryl write?
Write your answer in the space below.