Question
Mary and Min's total mass is 33 kg. Min and Julie's total mass is 59 kg. Julie is three times as heavy as Mary. What is the average mass of the three friends?
3 m

Click button first when a symbol is required. X

Mary and Min's total mass is 33 kg. Min and Julie's total mass is 59 kg. Julie is three times as heavy as Mary. What is the average mass of the three friends?