(a)
\Early last winter,at cold lake and albert:
\The daily maximum temperature was .
The minimum temperature was .
Find the difference between maximum and minimum temperature.
\.
The difference between these temperature is .
(b)
\Early last winter,at cold lake and albert:
\The daily maximum temperature was .
The minimum temperature was .
Find the average temperature of at cold lake and albert.
\The average temperature of at cold lake and albert is .