Answer to Question #218150 in Math for sbonelo

Question #218150

The Average mass of 50 pumpkin is 2,1kg. If one more pumpkin is added, the average mass is 2,2kg. What is the mass of the extra pumpkin?

Expert's answer

"\\frac{2.1*50+x}{51}=2.2."

"105+x=112.2."

"x=112.2-105=7.2kg."

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