Posted by ahmed on Wednesday, March 13, 2013 at 3:52am.
If i earned $20 in January,$5 in February and $20 in March!
What is the mean (average) amount of money earned for these 3 months?
what is the answer and can you explain the question to me please

math  Phy, Wednesday, March 13, 2013 at 4:28am
Mean is 15$

math  prabodh, Wednesday, March 13, 2013 at 5:03am
(20+5+20)%3=15
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