Question
Capacity of 6 wine glasses = Capacity of 1 tank
Capacity of 2 tanks = Capacity of 1 tub

Capacity of 5 tubs = Capacity of  _____  wine glasses
4 m

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Capacity of 6 wine glasses = Capacity of 1 tank
Capacity of 2 tanks = Capacity of 1 tub

Capacity of 5 tubs = Capacity of  _____  wine glasses