M S. answered 05/31/18
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It is a unitary method question. Let us convert 4 hrs and 30 mins to hours.
30 mins = 30/60 = 0.5 hr
So 4 hr 30 mins = 4+0.5 hr =4.5 hr
In 4.5 hr Paul drinks 6 oz formula
so in 1 hr, Paul drinks 6/4.5 oz formula
so in 24 hrs Paul drinks (6x24)/4.5 oz formula = 32 oz formula