the average (arithmetic mean) and median of five numbers a, a, b, c, and c, repectively. if a

Question

the average (arithmetic mean) and median of five numbers a, a, b, c, and c, repectively. if a<b<c, what is the value of a+c?

directrix · Answer

@infinite98   Please post the question exactly as it appeared in your problem source. There is something missing from the question. Thanks.

anonymous · Answer

oops.  five numbers a,a,b,c,and c are 20 an 30

directrix · Answer

Sorry, but I don't understand the question. I wish you would post it exactly as it appears in your book or eText.

hartnn · Answer

so, the median, which is 'b' is given = 30 
mean = sum/ total = (2a+b+2c) = 20
since we know 'b' , we get 2a+2c from here , easily. and hence a+c