91.0k views
2 votes
jay can buy a stereo either online or at a local store. if he buys online, he gets 15% discount, but has to pay a $12 shipping fee. at the local store, the stero is not on sale,but thereis no shipping fee. for what regular price is it cheaper for jay to buy the stereo online?

1 Answer

3 votes
For it to be cheaper to buy online, the 15% discount has to be greater than the shipping fee of $12. If 15% is 12, 10% is 8, so 100% is $80. Therefore, any store price of over $80 makes it cheaper to buy online.
User Przemek K
by
8.9k points