81- answer is ok but im not suree
Answer:a. 17,570 b. 48.14
Step-by-step explanation:
Answer:
I don't really understand the question, there calculator websites you can use
Step-by-step explanation:
The length of the rectangle is 8cm longer than the width.
l=w+8
If the length of the original rectangle is increased by 6cm and the width is increased by 3cm the perimeter is 76cm.
p=76=((l+6)+(w+3))*2=(l+6+w+3)*2=(l+w+9)*2
to solve this substitute l=w+8 into the p= equation:
p=76=((w+8)+w+9)*2=
76=(2w+17)*2
76=4w+34
42=4w
10.5=w
l=w+8=10.5+8=18.5
Answer: $27.50
Explanation:
4 students + 8 friends = 12 people altogether
$330.60/12 = $27.50
Therefore, it’s going to cost approximately $27.50 per person.
