Coffee, tea, and pastries are sold at a coffe shop. Last week, 2/5 of the coffee shop's profits were from sales and 1/3 of ots profits were from tea sales. The rest of its profits were from pastrie sales. What fraction of the cogfee shop's total profits last week were from pastry sales?
A:1/15
B:2/15
C:4/15
D:11/15
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