Rounding $32.14 to the nearest ten dollars results in $30, as $32.14 is below $35. Multiplying $30 by 0.15 (15%) gives us $4.50. The tip is approximately $4.50, and the total is approximately $36.64.
7.5 mins = 0.125 hr
6hr/ 0.125hr = 48 glass
48x500g = 24 000 grams = 24 Kg
24 (P5) = P 120
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