Q: TJ ran a 10K race last Saturday. He ran the first half in 20 minutes. He completed the second half in 30 minutes. What was his average time per kilometer?
user


A: He ran the 10 kilometers in a total of 20 + 30 = <<20+30=50>>50 minutes.
Therefore, he ran at a pace of 50 minutes / 10 kilometers = <<50/10=5>>5 minutes per kilometer. The answer is  5.
assistant