Question

the average (arithmetic mean) and median of five numbers a, a, b, c, and c, repectively. if a 12 years ago

Answer 1

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

Answer 2

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

Answer 3

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

Answer 4

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