Answer:
$873
Step-by-step explanation:
3$ per roll.
291 rolls in total.
291 x 3 = 873
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Answer:
$96 spent.
Step-by-step explanation:
Set up a proportion to determine the amount spend for 72 sheets. Express it in sheets/amount spent:

Cross multiply:
6 · x = 8 · 72
6x = 576
Divide:
x = $96 spent for 72 sheets.
Answer:
Answer:
A=\frac{1}{2}PaA=
2
1
Pa
Step-by-step explanation:
Let
P------> the perimeter of a regular polygon
a-----> the apothen
A-----> the area of a regular polygon
we know that
The formula to calculate the area of a regular polygon is equal to
A=\frac{1}{2}PaA=
2
1
Pa
====50 do you need the exaple or no.====
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