Jordan went swimming for 78 hour in the morning and 56 hour in the afternoon.

What is the best estimate for the total time Jordan went swimming?


​78​hour is closest to ______ . 56​hour is closest to _______ . Therefore, the best estimate for the total time Jordan went swimming is close to _______ .

A: 0 hours
B: 1/2 hours
C: 1 hour
D: 2 hours
E: 3 hours