The mean of 20 items is 40 and the mean of another 30 items is 60. What is the mean of whole set of items? Ans: 52
Answers
Answered by
0
Answer:
52 is the answer
that's right
Similar questions
Environmental Sciences,
11 hours ago
Math,
11 hours ago
Math,
22 hours ago
Math,
8 months ago
Science,
8 months ago