In 2013, the student professor ratio at MIT was approx. 8:1.

1). Among the MIT faculty, the ration of male professors to female professors was approx. 3:1. If there are 225 female professors in 2013, approx. how many students were enrolled?

a). 5400

b). 6100

c). 7200

d). 8100

2). Among the MIT faculty, there are 160 assistant professes and the ratio of assistant professors to all professors in 8:45. What is the ratio of non-assistant professors to assistance professors?

a). 37:45

b). 45:37

c). 37:8

d). 45:8