Q: math teacher loans calculators to students to take home and return the next morning before school. He recorded the number of students who borrowed calculators in each of four class periods. Calculator Loan Program
1st Period 2nd Period 3rd Period 4th Period
35 15 45 85
What is the probability that a student who borrowed a calculator is in his second period class?

A
1 in 15

B
1 in 4

C
1 in 11

D
1 in 12