Baically they done this so people know not to pick on them and they are doing it to the
Answer:
The answer is 15 grams
Explanation:
You have 2 parts of the rock. If the whole rock is equal to about 20grams, and one part of the rock is 5 then you just see how much grams you need to get to 20.
Equations: [20-5= 15] or [5+15=20]
Hope this helps <3
Thomas Alva Edison was the nineteenth century inventor is
associated with Menlo Park in New Jersey. One of the newspaper reporter had nicknamed
Thomas Alva Edison as “The Wizard of Menlo Park”. He was not only the first but
also was the one who believed in the theory of mass production and employing a
large team for the purpose of invention. His thoughts and principles were later
well accepted by people of various fields. Thomas Alva Edison was not only a
great inventor that changed the lives of many people, but he was also a great businessman.
I don’t know, I haven’t learned this yet
