Answer:
[tex]Total\ cost=7.95b+4.95m[/tex]
Step-by-step explanation:
Paperback Books:
Number of books[tex]=b[/tex]
Cost of 1 book[tex]=\$7.95[/tex]
[tex]Cost\ of\ all\ paperback\ books=cost\ of\ 1\ book\times number\ of\ books\\\\Cost\ of\ all\ paperback\ book=7.95\times b=7.95b[/tex]
Magazines:
Number of magazines[tex]=m[/tex]
Cost of 1 magazine=[tex]\$4.95[/tex]
[tex]Cost\ of\ all\ magazine=cost\ of\ 1\ magazine\times number\ of\ magazine\\\\Cost\ of\ all\ magazines=4.95\times m=4.95m[/tex]
[tex]Total\ Cost=Cost\ of\ paperback\ books+Cost\ of\ magazine\\Total\ Cost=7.95b+4.95m[/tex]