The sum of the numbers a, b, c, and d marked on the number line is 80. With a being the smallest of these numbers, the sum of the distances from a to each of the numbers b, c, and d is 20. According to this, what is a? A) 9 B) 10 C) 8 D) 12 E) 15
The sum of the numbers a, b, c, and d marked on the number line is 80. With a being the smallest of these numbers, the sum of the distances from a to each of the numbers b, c, and d is 20.
According to this, what is a?
A) 9
B) 10
C) 8
D) 12
E) 15