Tony tries to drink more water, so he has been tracking how much water he drinks. Yesterday, he drank 48 ounces of water, which is 4% less than what he drank two days ago. How much water did Tony drink two days ago?
How much water did Tony drink yesterday? ** Tony drank yesterday 100% - 4% = 96% of what he drank two days ago.
How many ounces of water are in each percent? ** Since 96% is 48 ounces, then every 1% is equal to 48/96 = 0.5 ounces of water.
How many ounces of water did Tony drink two days ago? ** So, Tony drank 0.5 x 100 = <<0.5*100=50>>50 ounces two days ago.
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