Question
The mass of Ethan is 53 of Xavier's mass. Xavier's mass is 57 kg. Mark is 14 kg lighter than Ethan. What is the mass of Mark?
3 m

Click button first when a symbol is required. X

The mass of Ethan is 53 of Xavier's mass. Xavier's mass is 57 kg. Mark is 14 kg lighter than Ethan. What is the mass of Mark?