CAYLEY 2021 Problem 6

Eugene swam on Sunday, Monday and Tuesday. On Monday, he swam for 30 minutes. On Tuesday, he swam for 45 minutes. His average swim time over the three days was 34 minutes. For how many minutes did he swim on Sunday?

Answer Choices
A. 20
B. 25
C. 27
D. 32
E. 37.5