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Answer:
13.4 seconds
Step-by-step explanation:
add up the five times, then divide the total by 5 (mathematical average)
32 + 5 + 10 + 8 + 12 = 67 seconds total
divide by 5 legs of race 67 / 5 = 13.4 seconds behind the leader on average
always put units to prevent points off by teacher. also pay attention to any rounding instructions