A scientist who studies insects enlarges a photograph of an elm leaf beetle. Every 2 inches in the photograph represents 8mm on the actual beetle. The length of the beetle in the photograph is 1.5 inches. The width of the beetle in the photograph is .75 inches. What is the scale of the photograph of the beetle in inches to millimeters? * A: 2:8
B: 4:1
C: 8:2