SOLUTION: Jay can buy a stereo either online or at a local store if he buys online he gets a 15% discount but he has to pay a $12 shipping fee at the local store the cereal is not on sale b

Question 1084161: Jay can buy a stereo either online or at a local store if he buys online he gets a 15% discount but he has to pay a $12 shipping fee at the local store the cereal is not on sale but there is no shipping fee for what regular price is it cheaper for Jay to buy a stereo online
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the regular price
For buying online:

----------------
For what value of is
buying online cheaper?

subtract from both sides

-------------
When the regular price is greater than $80
it is cheaper to buy online
---------------------------
check:

Online price=

------------------------------

So, when the regular price is $81, the
online price is $80.85
OK
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