2x2x2x2x2 is 2^5 in standard notation
307.85
-40
-9.50
-41.75
+23.75
-4.62
=235.73$
(5/8)+(2/5)=
so you need a common den so in this case its 40
so we multiply to get 40 like
(5/5)(5/8)+ (2/5)(8/8)=
25/40 + 16/ 40 = 41/40
To find this we need to subtract July rainfall (8.35) and Octobers rainfall (3.87) which equals 4.48.
