Looking for trustworthy answers? Westonci.ca is the ultimate Q&A platform where experts share their knowledge on various topics. Discover a wealth of knowledge from professionals across various disciplines on our user-friendly Q&A platform. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

I need help with the explanation & answer to this question: "Janet's dinner costs $7.50. If she wants to leave a 10% tip, how much extra should she leave?"