To qualify for the 400-meter finals, the average of a runner's three qualifying times must be 60.74 seconds or less. Robert's three 400-meter scores are 61.04 seconds, 60.54 seconds, and 60.79 seconds. His combined score is 182.37 seconds.
What is Robert's average time?

Answer rating: 100% (QA)

given that Roberts three 900 meter scores are 6109 ... View the full answer