Answer:
18 minutes
Step-by-step explanation:
Given that:
The arrival time = 3 customers / hour
The avg. service rate (s) = 12 minutes per customer
To hour, we have:

s = 5 customers/ hour
Thus, the required average time for a customer needs to wait in line is:

To minutes;

= 18 minutes
Answer:
689 root 11
Step-by-step explanation:
simplify
16x4root11+5^4 root 11
64 root 11 +625 root 11
Inequality that represents the lengths of the glass:
12 cm < x ≤ 12.2 cm
Answer: 7824537630
Step-by-step explanation:
Answer:
T-.5 = x (200)
Step-by-step explanation:
Let T = total time in hours
30 mn = .5 hours 30
/60
=
.5
$ 2.00 is the rate per hour.
so T
−
.5
= the time that will be charged at the rate
Therefore the total charge is then
T
−
.5
×
2.00