Question
The total mass of Ryan and Julie is 8156 kg. Ryan weighs 39111 kg. 
  1. What is Julie's mass?
  2. How much heavier than Ryan is Julie?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

The total mass of Ryan and Julie is 8156 kg. Ryan weighs 39111 kg. 
  1. What is Julie's mass?
  2. How much heavier than Ryan is Julie?