Question
The total mass of Billy and Albert is 170 kg. The total mass of Reggie and Albert is 146 kg.
  1. How much heavier is Billy than Reggie?
  2. If the total mass of the 3 boys is 252 kg, how heavy is Albert?
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 Albert is 170 kg. The total mass of Reggie and Albert is 146 kg.
  1. How much heavier is Billy than Reggie?
  2. If the total mass of the 3 boys is 252 kg, how heavy is Albert?