Question
The total mass of Billy and Nicole is 90112 kg. Billy weighs 4235 kg. 
  1. What is Nicole's mass?
  2. How much heavier than Billy is Nicole?
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 Billy and Nicole is 90112 kg. Billy weighs 4235 kg. 
  1. What is Nicole's mass?
  2. How much heavier than Billy is Nicole?