The mass of a bobcat is one-fifth the mass of an Arctic wolf. Their combined mass is forty-eight kilograms.What is the mass of a bobcat?
英
美
- 2一只山猫的质量（体重）是北极狼的五分之一。一只山猫和一只北极狼合重48公斤，请问一只山猫重多少？
