If m and r are two numbers on a number line, what is the value of r?
1. The distance between r and 0 is 3 times the distance between m and 0.
2. 12 is halfway between m and r.
Answer is E. How?
1. The distance between r and 0 is 3 times the distance between m and 0.
2. 12 is halfway between m and r.
Answer is E. How?
