We know that
• Gemma's dinner cost $5 more than her cousin's.
,• Their combined bill was under $25.
Based on the given information, we express the following
[tex]G=5+C[/tex]Where G is Gemma and C is her Cousin.
[tex]C+C+5<25[/tex]Hence, the inequality that represents this situation is
[tex]C+C+5<25[/tex]