1.

In a class of 5 students, average weight of the 4 lightest students is 40 kg, average weight of the 4 heaviest students is 45 kg. Then the difference between the maximum and minimum possible average weight is

Answer»

In a class of 5 students, average weight of the 4 lightest students is 40 kg, average weight of the 4 heaviest students is 45 kg. Then the difference between the maximum and minimum possible average weight is



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