Answer:
Anniversary sale price= $570
Step-by-step explanation:
Giving the following information:
Purchase cost= $400
Mar-up percentage= 90%
<u>First, we need to calculate the "normal" selling price:</u>
Selling price= 400*1.9= $760
<u>Now, we can determine the anniversary sale price:</u>
Anniversary sale price= 760 - (760*0.25)= $570
Answer: y= -1/6x+5/3
10x + 3y. add like terms