Please help me!!!
Algebra 1 Unit 1 Chapter 1 (Task 3)
B. What is an expression in terms of c for the cost of the CD`S? For the cost of DVD`s?
C. Write and simplify an expression in terms of c for the total cost of all the gifts you buy. what properties to real numbers did you use to simplify the expression. ?
http://ocas.pearsonschool.com/ph/cd/0-13-365946-8/index.html?pageid=68&token=53616c7465645f5f81d8086b402612535c05bb36548c352efd4d42aa1f0bb0bdac910c59b0106743211d5f73e68757a01aa7c21cd8986203d225aa23afe42a72ef07f866009a4e4b
This is the book Go to page 67

Question

Please help me!!! 
Algebra 1 Unit 1 Chapter 1 (Task 3) 
B. What is an expression in terms of c for the cost of the CD`S? For the cost of DVD`s?
C. Write and simplify an expression in terms of c for the total cost of all the gifts you buy. what properties to real numbers did you use to simplify the expression. ? 
http://ocas.pearsonschool.com/ph/cd/0-13-365946-8/index.html?pageid=68&token=53616c7465645f5f81d8086b402612535c05bb36548c352efd4d42aa1f0bb0bdac910c59b0106743211d5f73e68757a01aa7c21cd8986203d225aa23afe42a72ef07f866009a4e4b
This is the book Go to page 67

aric200 · Answer

What did you get for A?

anonymous · Answer

10D=c??

aric200 · Answer

Why the ? Unsure? Any work for how you got that?

aric200 · Answer

Here I dont have time to go in depth as I have to go, But here is a link if this helps you solve the answers.

aric200 · Answer

https://answers.yahoo.com/question/index?qid=20100829091438AAKiohX