Question
My mother has 4 children. The youngest is 3 and the oldest is 7. What is a reasonable total of all 4 childrens ages added together?
a. 14
B. 10
C. 20
D. 25
a. 14
B. 10
C. 20
D. 25
Answers
Steve
the average age of the two extremes is 5. So, with 4 children, 20 is a reasonable guess.
I think if you listed all possible ages (including twins and triplets) you will come up with a figure close to 20.
I think if you listed all possible ages (including twins and triplets) you will come up with a figure close to 20.