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# The price of lunch for 15 people was $207 including a 15  Question banks Downloads My Bookmarks Reviews Important topics Author Message TAGS: Manager Joined: 17 Jul 2006 Posts: 50 Followers: 0 Kudos [?]: 4 [0], given: 0 The price of lunch for 15 people was$207 including a 15 [#permalink]  13 Nov 2006, 14:23
The price of lunch for 15 people was $207 including a 15 percent gratuity for service. What was the average price per person, excluding the gratuity? A)$11.73
B)$12.00 C)$13.00
D)$14.00 E)$15.87

(207) (15 / 100) = 31.05
207 â€“ 31.05 = 179.95
179.95 / 15 = 11.73

But the correct answer is $12.00. Why? SVP Joined: 05 Jul 2006 Posts: 1516 Followers: 5 Kudos [?]: 126 [0], given: 39 [#permalink] 13 Nov 2006, 14:32 The price of lunch for 15 people was$207 including a 15 percent gratuity for service. What was the average price per person, excluding the gratuity?