Posted by ann on Wednesday, November 23, 2011 at 12:27am.
after n visits
cost for members = 135 + 3n
cost for non-members = 25n + 5n = 30n
when is 30n = 135 + 3n ?
27n = 135
n = 135/27 = 5
you are correct
tks Reiny, i am having problems with these equation set-ups.
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