2a) What fraction represents the number of days it usually rains in these three month? Convert your answer to decimal and percent.
SHOW WORK!
Fraction
25/90
Decimal
0.3
Percent
0.30
2b) Explain how you found your answer to 2a:

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters