Question
The total mass of Jacob, Jack and Riordan is 138 kg. Jack's mass is 11 kg more than Jacob's and 28 kg more than Riordan's. Find the total mass of Jacob and Riordan.
4 m

Click button first when a symbol is required. X

The total mass of Jacob, Jack and Riordan is 138 kg. Jack's mass is 11 kg more than Jacob's and 28 kg more than Riordan's. Find the total mass of Jacob and Riordan.