The price of a commodity (in rupees per kilogram) is 100+ 0.1n, on the nth day…

The price of a commodity (in rupees per kilogram) is 100+ 0.1n, on the nth day of 2007 (n = 1, 2,---- 100) and then remains constant. On the other hand, the price of another commodity (in rupees per kilogram) is 89+ 0.15n, on the nth day of 2007 (n = 1,2,..........,365). On which date in 2007. Will the prices of these two commodities be equal?