American Summits donated 45 x 2 = <<45*2=90>>90 bottled waters.
Hormel donated 45 x 3 = <<45*3=135>>135 spams.
Boudin Bakery donated 135 x 1/3 = <<135*1/3=45>>45 sourdoughs.
Del Monte Foods donated 90 - 30 = <<90-30=60>>60 canned fruits.
Therefore, a total of 45 + 90 + 135 + 45 + 60 = <<45+90+135+45+60=375>>375 different food.
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