Question
The total mass of Liam and Riordan is 190 kg. The total mass of Ahmad and Riordan is 128 kg.
  1. How much heavier is Liam than Ahmad?
  2. If the total mass of the 3 boys is 249 kg, how heavy is Riordan?
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 Liam and Riordan is 190 kg. The total mass of Ahmad and Riordan is 128 kg.
  1. How much heavier is Liam than Ahmad?
  2. If the total mass of the 3 boys is 249 kg, how heavy is Riordan?