Correct option is B
Given:
Numbers are 132, 146, 218, 232, 321 and 223.
Formula used:
Solution:
=> Average = 212
Given:
Numbers are 132, 146, 218, 232, 321 and 223.
Formula used:
Solution:
=> Average = 212
In a bookstore, the average number of books in biology, chemistry, and physics is 360. The number of biology books is 180 more than the average number of chemistry and physics books. The number of physics books is 180 less than the average number of biology and chemistry books. How many chemistry books are there in the store?