Answer:
Step-by-step explanation:
Muliply 65 and 0.12 and get 7.8
Subtract 65-7.8 to get marked down price
57.2 is the price after markdown
You didn’t put a question
16/21 is your answer
You can take a 2 out of both numbers to get your answer
I hope this helped! :)
Do you mean an extraneous solution? I will tell you what I think. To tell if a solution is extraneous you need to go back to the original problem and check if there actually is a solution or if the solution is actually right. If not then it is extraneous.
