[tex]\text{You will need to multiply to get your final answer}\\\\\text{We know that there's 5 people eating, and each meal is \$10, so:}\\\\10\cdot5=50\\\\\text{Now calculate sales tax. Multiply 50 by 1.09}\\\\50\cdot1.09=54.50\\\\\boxed{\$54.50}[/tex]
