Answer:
Yes, 4 is the constant of proportionality
Step-by-step explanation:
The constant of proportionality here is the value you multiply x by to get y. if you divide 12/3, 24/6, 36/9, 60/15, the answer to all of those is 4. Because the multiplier is the same for each one they are all proportional.
30
Hope this helps :)
look at the picture i have sent
Simplify.
Answer: 72% X 261.27 = 188.11
sales price : $261.27 - $188.11 = $73.16
