Question
Howard has some gold and brown balls. The total mass of all his balls is 192 g. He has 6 less gold balls than brown balls. The average mass of the gold balls is 4 g. The average mass of the brown balls is 8 g. How many balls does Howard have altogether?
3 m

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Howard has some gold and brown balls. The total mass of all his balls is 192 g. He has 6 less gold balls than brown balls. The average mass of the gold balls is 4 g. The average mass of the brown balls is 8 g. How many balls does Howard have altogether?