Collection 64884

Five friends compared how much old iron they brought to the collection. On average, it was 55 kg, but Ivan got only 43 kg.
How many kg on average did they bring without Ivan?

Correct 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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