Looking for reliable answers? Westonci.ca is the ultimate Q&A platform where experts share their knowledge on various topics. Get expert answers to your questions quickly and accurately from our dedicated community of professionals. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

Greg found 2 rocks for his collection. One weighed 4 1/4 lb and the other weighed 2 7/8 lb. Find the difference