An actor read alound and recorded a certain 420-page book on several audiotapes. Was the average recording time per page less than 90 seconds?
1) Each tape was at most 40 minutes
2) The book was recorded on 15 tapes
Please provide detailed explanations! Thanks!
The question asks us... Is Total time spent < 420*3/2 min. => Is Total time spent < 630 min.
Insufficient, as there is no information given on # of tapes.Statement 2
Insufficient, as there is no information given on lenght of tapes.Combined together
Total length of Tapes <
40*15 (600 min.)
So Total time spent < 600 min.
. Answer C.
Hope this is clear now.
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