The correct selling price is about $20, and the likely mistake was the manager multiplied the $12 by .67 (the 67%), got about 8, and took that as the price instead of adding it to the original 12, which is what they were supposed to do.
Answer:
Step-by-step explanation:
3,-2
-3,0
-6,-3
Answer:
-138
Step-by-step explanation: