Answer:
I added a screenshot. ;)
Step-by-step explanation:
Answer:
Step-by-step explanation:
9 sides
Let

. Then

, and differentiating both sides with respect to

gives


Now, when

, you get

You have

, so

and

. So
Answer:
$45 with 20% markup = $45 + $9 for a new total = $54
$7.60 with a 50% markup = $7.60 + $3.80 for new total = $11.40
Step-by-step explanation:
Answer:ez just divise all
Step-by-step explanation: