11. The table shows the amount (in inches) of snow that each of three cities received
in January and February of two years. Organize the data using two matrices, one
for each year. Then find a matrix that gives the change in the amount (in inches) of
snow from Year 1 to Year 2 by month for each city.
City
City A
City B
City C
Year 1
19
10
15
Amount of Snow
January
Year 2
42
9
2
Year 1
16
11
February
12
Year 2
39
5
4