Math
posted by Mary .
How do I set this up and solve it?
Tom has a collection of 30 CDs and Nita has a collection of 15 CDs. Tom is adding 1 CD a month to his collection while Nita is adding 4 CDs a month to her collection. Find the number of months after which they will have the same number of CDs.

Tom 30 + n
Nita 15 + 4 n
30 + n = 15 + 4 n
15 = 3 n
n = 5
Respond to this Question
Similar Questions

math
I believe the answer is 5 months; however, I did it the long way. Explain how to find the answer. Tom has a collection of 30 CDs and Nita has a collection of 15 CDs. Tom is adding 1 CD a month to his collection while Nita is adding … 
math
patty has 123 cds in her music collection. of her cds 27 are country music. estimate the precent of patty's cds that are country music cds 
math
patty has 123 cds in her music collection. of her cds 27 are country music. estimate the percent of patty's cds that are country music cds 
Algebra
Currently, Jodi has a collection of 44 CDs and Veronica has a collection of 22 CDs. Jodi is adding 2 CDs per month to her collection; Veronica plans to add 4 CDs per month. a. Write a system of equations for this situation. Explain … 
Math
Jillian wants to organize her CD collection into wooden crates. Each crate holds 8 CDs. Jillian has 48 CDs. How can she use a picture to figure out how many crates she needs? 
Math
Tell whose CD collection has the greater ratio of rock CDs to total CDs. Glen has 9 rock CDs, 4classical CDs, and 5 other kind of CDs. Nina has 12 rock CDs, 8 classical CDs, and 7 other kind of CDs. 
math
Laura has 4 CDS in her room. They are 1/5 of her whole collection. How many CDs are in Laura's whole collection? 
Math
tom has a collection of 50 cds and nita has a collection of 38 cds. Each month tom adds two cds and nita adds four how many months will it take until they have the same amount? 
Math
Find the number of each kind of object in the collection Miranda has 24 CDs in her collection. Of those CDs, 10 are pop CDs. She has 6 more country CDs than jazz CDs. How many country CDs does Miranda have? 
Math
Laura has 4 CDs in her room. They are 1/5 of her whole collection. How many CDs are in Laura's whole collection?