The expenses for yoga classes in a colony are partly constant and partly varying with the number of members. If there are 50 members, then each of the members has to bear ₹220 per month and if there are 10 more members, then the share of each of the members comes down by ₹15 per month. How many members would be there if the share of each member is ₹160? (A) 150 (B) 130 (C) 90 (D) Cannot be determined

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