(B)
the numbers must be evenly arranged above and below 15, so they must be
12,13,14,(15),16,17,18
12+13+14 = 39
The average of a set of 7consecutivr positive intergers is 15. What is the sum of the three smallest numbers in that set?
A) 38
B) 39
C) 42
D) 48
E) 51
1 answer
1 answer