Three secretaries working together can type 36 pages of text in half an hour. If the typing speeds of the secretaries are in a 4:3:2 ratio, how long will it take the slowest-typing secretary working alone to type 52 pages of text?

(C) 2008 GMAT Club -

m21#21 hour and 34 minutes

1 hour and 45 minutes

2 hours and 24 minutes

3 hours and 15 minutes

3 hours and 25 minutes

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"If you want my advice, Peter," he said at last, "you've made a mistake already. By asking me. By asking anyone. Never ask people. Not about your work. Don't you know what you want? How can you stand it, not to know?" Ayn Rand