The mean is all of them added together divided by the number, so multiple the mean by the number of sides, 3, and that's the perimeter. 18 x 3 = 54
Answer:
C) Between 9 and 13
Step-by-step explanation:
If 40% is 5 gallons, then 20% is 2.5 gallons
If you multiply both by 5, you get 12.5, which is between 9 and 13
Sorry for my weird way of math
The greatest common factor is 4r so
4r(d-4)
1 hour - 200 calls |multiply 8
8 hours - 1600 calls
There are 8 employees so every employee take 1600 : 8 = 200 phone calls daily