The amount of profit Gavin made in selling the water bottles at the base ball game is $65.
He bought 75 bottle water for a total of $25.
He sales all of the bottles for $1.20 each.
Therefore,
profit = selling price - cost price
Hence,
cost price = $25
selling price = 1.20(75) = $90
Finally,
profit = 90 - 25 = $65
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