Answer:
[tex]25+n =61[/tex]
Step-by-step explanation:
Given that Megan has 25 phone numbers stored in her cell phone. Abby has some phone numbers stored in her cell phone. Together they have a total of 61 phone numbers stored.
If n= the number of phone numbers Abby has stored in her cell phone
then we have sum of phone numbers both have
[tex]25+n =61[/tex]
[tex]n=61-25=36[/tex]