Answer:
Step-by-step explanation:
15x13=?
15+15+1=31
so the answer is 31
Answer:
See explanation
Step-by-step explanation:
There are three possible cases:
1. Point N lies between M and P, then MN + NP = MP. Consider needed difference:

2. Point N lies to the right from point P, then MP + PN = MN. Consider needed difference:

3. Point N lies to the left from point M, then NM + MP = NP. Consider needed difference:

18,18,19,22,22,24,27,29,31,31,34,46,51,57. The youngest would be 18 and the oldest would be 57. I hope this helps