From the introduction, no two of the five fancy jacko'lanterns sold for
the same sum. By clue 8, the lowestpriced jacko'lantern sold for $40,
while the five together brought the Art Club $330. By clue 1, Jamie's
jacko'lantern cost twice as much as Karloff's, while by clue 6, the
jacko'lantern Lisa carved sold for twice that of the one with the
ghost theme. If the two clues overlap, either Lisa is Karloff or Jamie
carved the ghost jacko'lantern. If Lisa were Karloff, then letting
the ghost jacko'lantern sell for the low of $40 would make Lisa's go
for $80 and Jamie's for $160 (clues 1, 6)a total of $280, leaving $50
for the other two jacko'lanterns (8) so that one would have to cost
less than $40, contradicting clue 8. Similarly, if Jamie had done the
ghost theme, if Karloff's creation had sold for $40, Jamie's then for $80,
and Lisa's for $160 (1, 6) for a total of $280, the $50 remaining would
mean at least one sale for less than the $40 minimum in clue 8. Therefore,
four of the five pumpkins are given in clues 1 and 6: Jamie's at 2X
Karloff's and Lisa's at 2X the ghostthemed one. Three of the artistic
jacko'lanterns are given in clue 2: Billy's, which sold for $10 more
than the skeletonthemed one, which sold for $10 more than Stein's. If
Billy were Karloff, even if Stein's pumpkin sold for $40, the least Billy's
creation could have brought in would be $60, with Jamie's then selling
for at least $120 (1). By clue 6, Lisa's jacko'lantern made at least
$80 for the club. Summing, we would have a minimum of $300, leaving at
most $30 for the fifth saleno (8). Similarly, if Billy had done the
ghost jacko'lantern, even if Stein's pumpkin sold for $40, the least Billy's
creation could have brought in would be $60, with Lisa's then selling
for at least $120 (6). By clue 1, Jamie's jacko'lantern made at least
$80 for the club. Summing, we would have a minimum of $300, leaving at
most $30 for the fifth saleno (8). So, Billy's jacko'lantern is the
fifth one to the four in clues 1 and 6. If Stein in clue 2 were Jamie,
even if Karloff's carving sold for the low of $40, clues 1 and 2 would
give sales figures of $40, $80, $90, and $100 for a total of $310, making
the fifth sale $20 (8)a conflict with clue 8. Similarly, if Stein were
Lisa and the ghost jacko'lantern sold for the low of $40, combining clues
6 and 2 would give sales figures of $40, $80, $90, and $100the sum of $310
then making the fifth carving a $20 sale, no (8). Stein must have carved
the ghost jacko'lantern. By clues 2 and 6, Lisa couldn't have done the
skeleton pumpkin, since the minimum difference between Lisa's and Stein's
creations must be $40. If Jamie had done the skeleton jacko'lantern,
Karloff would have raised $40 for the club, Jamie $80 (1), Stein $70,
Billy $90 (2), and Lisa $140 (6)a conflicting total of $420 (8). So,
Karloff carved the skeletonthemed pumpkin. Then combining clues 1, 2,
and 6, Stein's jacko'lantern sold for the least, $40, Lisa's went for
$80, Karloff's skeleton carving sold for $50, Billy's work brought in $60
and Jamie's creation brought $100 to the Art Club. By clue 4, Charlie
carved the ghost jacko'lantern; Debby is Karloff. By clue 7, Lisa is
Lugosi; and Billy's jacko'lantern theme was Count Dracula. Lisa's
jacko'lantern had the black cat motif and Jamie's the witch (3).
Billy is Franken and Jamie Chaney (5). In sum, the Arty JackO'Lanterns
sold as follows:
 Jamie Chaney, witch, $100
 Lisa Lugosi, black cat, $80
 Billy Franken, Count Dracula, $60
 Debby Karloff, skeleton, $50
 Charlie Stein, ghost, $40


