L=7+w
P=(12x+14)=2(6x+7)
l+w= P/2 = 2(6x+7)/2= 6x+7
l+w=6x+7
2l = 6x+7
l = (6x+7)/2
l=7+w
-> w= l-7
= [(6x+7)/2] -7
= (6x+7-14)/2
= (6x-7)/2
Answer:
You would need 10 1/2 hours to set up 7 workstations.
Step-by-step explanation:
Multiply the amount of workstations by the rate at which they are set up.

10. 14
2 * 7 <==
11. 12
6 * 2
2 * 3 * 2 = 2^2 * 3 <==
12. 15
3 * 5 <==
13. ur gonna have 3 tables that each have 4 chairs
I hope this helps you
regular hexagon =6 equilateral triangle
Area=6.(10.20/2)
Area=600