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Posts: 153
In response to
"
today's mensa calendar page is a word problem.
"
by
b.
answer, in case anyone cares.
Posted by
b. (aka starrynit)
Dec 1 '15, 18:03
9 jars.
n = number of jars
c = cost per jar
spent = nc
nc = (n+9)(c-3) so 3c-n = 9
nc = (n-3)(c+3) so c +n = 3
c = 6
n = 9
9 jars.
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