Friends iron average

Five friends compared how much scrap iron they brought to the collection. The average was 55 kg, but John brought only 43 kg.
What was the average in kg without John?

Final Answer:

x =  58 kg

Step-by-step explanation:

 5 4 x+1 43 = 55  kg  4 x+1 43=5 55  4x=232  x=4232=58  x=58=58 kg



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You need to know the following knowledge to solve this word math problem:

statisticsalgebranumbersUnits of physical quantitiesGrade of the word problem

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