Question
Ahmad has a mass of 64 kg. Bobby is 20 kg lighter than Ahmad.
  1. What is Bobby's mass?
  2. Express Bobby's mass as a fraction of Ahmad's mass. Give your answer in its lowest terms.
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Ahmad has a mass of 64 kg. Bobby is 20 kg lighter than Ahmad.
  1. What is Bobby's mass?
  2. Express Bobby's mass as a fraction of Ahmad's mass. Give your answer in its lowest terms.