Friday
March 24, 2017

Post a New Question

Posted by on Tuesday, January 24, 2012 at 1:17pm.

Eight people in a room have an average height of 66 inches. A ninth person enters the room. How tall would he have to be to raise the average height by 0.5 inches?

  • Math - Statistics - , Tuesday, January 24, 2012 at 1:44pm

    8*66 = 528

    528 + h = 9*66.5 = 598.5
    h = 70.5

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question