# Math

posted by
**Amelia**
.

The average height of Al, Anne, and Allan is 66 inches. If Arnel is included in the group, their average height becomes 70 inches. How tall is Arnel?

posted by
**Amelia**
.

The average height of Al, Anne, and Allan is 66 inches. If Arnel is included in the group, their average height becomes 70 inches. How tall is Arnel?