Answer:
Maximum weight = 0.74 kg
Minimum weight = 0.62 kg
Explanation;
Let weight of football of Sean's team uses be A.
It is given that, 0.31≤ A ≤ 0.37
The bag has two balls. Both ball has weight in between the above condition.
Maximum weight is achieved when both balls has weight 0.37 kg
Maximum weight = 0.37 + 0.37 = 0.74 kg
Minimum weight is achieved when both balls has weight 0.31 kg
Minimum weight = 0.31 + 0.31 = 0.62 kg
