Question
Cole weighs r kg while Ryan weighs 31 kg.
  1. Find the average mass of each boy in terms of r.
  2. If r = 43, find the average mass of each boy. 
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Cole weighs r kg while Ryan weighs 31 kg.
  1. Find the average mass of each boy in terms of r.
  2. If r = 43, find the average mass of each boy.