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Morgan Stanley is hosting an investment conference in sunny [#permalink]
26 Nov 2003, 15:12
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Morgan Stanley is hosting an investment conference in sunny Phoenix and the investors attending the conference are offered to either play tennis or golf. 90% of the attendees who know how to play tennis also know how to play golf, whereas, 18% of the attendees do not know how to play either sport and will stay in their hotel rooms and do their homework to prepare for their breakout meetings. If 30% of the conference attendees do not how to play tennis, then how many attendees know how to play golf?
30% of all do not know how to play tennis, so 70% know to play tennis and golf. 90% of 70% is 63%( who play both) and 7% play only tennis and 12% can play only golf. Total amount of players is 82%-7=75% know how to play golf