What is the missing number?
#{ (6, 12, 6), (28, 38, ?), (8, 7, 5) :}#
1 Answer
Apr 6, 2017
Explanation:
The middle sequence seems to be twice the sum of the first and third sequences:
#2(6+8) = 28#
#2(12+7) = 38#
#color(blue)(2(6+5) = 22)#
