Asked by Patty S

You need to lay communications cable around the perimeter of three offices, each 8' by 10'. How much cable do you need?
Answered by PsyDAG
Does the cable need to surround each office?

3(2*8 + 2*10) = ?

Or around<I>all</I> the offices?

2(3*8 + 10) = ?

or

2(3*10 + 8) = ?

depending on the arrangement of the offices.
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