Apply the system of linear equations to solve the problem: One day in the morning, a vegetable seller named Ryen sold 20 potatoes to one of his customers and 10 tomatoes to another customer for a total of 175 taka. The following day, Ryen sold a total of 17 potatoes and 22 tomatoes for a total of 200 taka. It is given that, the prices of the vegetables is unchanged on both the days, what was the price of per unit of potato and tomato? #write your code here
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