Answer:

Step-by-step explanation:
First, we gather the data:
The model is a single
landing strip with 
This based on the assumption that service times are exponential.
Then, we must find the maximum rate such that 
Using the
table, we find that:

if and only if

=
Answer:
Last week: 4.32inches + 6.86inches =11.18inches
This week: 7.89inches
HOW MUCH MORE IT SNOWED LAST WEEK
=11.18inches - 7.89inches
=3.29inches
64,330 is your answer. Hope this helps! :)

SQRT each individual bit: 4 and

and 9 and
In each case divide the price by the number of cans.
The best buy is the lowest price.
$12.53/7 = $1.79
$5.97/3 = $1.99
$7.95/5 = $1.59
$8.34/6 = $1.39
The fourth ad, $8.34 for 6 cans results in the lowest price per can, $1.39.
The fourth ad is the best buy.