Table 1: Devon's total Devon's total Ravi's total production Ravi's total production of milk production of ice of milk production of ice cream cream Devote all time to 150 pints of milk 0 pints of ice 70 pints of milk 0 pints of ice cream producing cream Milk Devote all time to 0 pints of milk 25 pints of ice 0 pints of milk 10 pints of ice cream producing ice cream cream