Answer:
(B)93
Explanation:
Since we are using a fixed-order-interval model,
The Amount to Order=Expected Demand During protection Interval+Safety Stock-Amount at Hand
Where:
d=weekly demand
OI=Order Interval
LT=Lead Time
z=Standard Deviation of Desired Service Level
=Standard Deviation of weekly Demand
A= Amount at Hand
GCF of :2xy and 2xy
2(x+y)
Answer:
a) 1:3
b) 9:225,000
Step-by-step explanation:
A)
1 hour is equal to 60 minutes. Written as a fraction it would look like
which would be equal to
, or 
B)
Just multiply both sides of the ratio by 9, you will get 
Hope I helped, please mark as brainliest! Have a good day!