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PP-PS1&aring;&reg;Œ&aelig;•&acute;&egrave;&copy;&sup3;&egrave;&sect;&pound;&ccedil;‰ˆ-V2[1].0

# 187058012892

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Unformatted text preview: nt.) (A) 48 (B) 100 (C) 120 (D) 288 (E) 600 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 由由由由B 由由由由 由由由由由由由由senior由由=由由由由由由由由由由由由由由junior由由由 10! 6! − = 100 3!( 10 − 3) ! 3!( 6 − 3 ) ! ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 76. 8985­!­item­!­187;#058&006184 Susan drove at an average speed of 30 miles per hour for the first 30 miles of a trip and then at an average speed of 60 miles per hour for the remaining 30 miles of the trip. If she made no stops during the trip, what was Susan's average speed, in miles per hour, for the entire trip? (A) 35 (B) 40 (C) 45 (D) 50 (E) 55 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 由由由由B 由由由由 由由由由由由由30+30=60 由由60miles 由由30miles 由 30 30 由由 由由30miles由 由由 由由1.5由由 30 60 60 由40 1.5 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 77. 9031­!­item­!­187;#058&006222 At a dinner party, 5 people are to be seated around a circular table. Two seating arrangements are considered different only when the positions of the people are different relative to eac...
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