Rainfall in July = 2.79 inches.
July has 31 days.
2.79 : 31 = x : 1 Set up the proportion
2.79 / 31 = x/1 Cross multiply and switch.
2.79*1 / 31 = x Do the division
0.09 inches = x Answer
I think it means expires. I'm not sure though
1/2 . 1/16 = 1/32
When the power is minus just flip the number and make it denominator and make the power positive