Mathematics, 12.10.2020 23:01 toxsicity

17 Kelly's dad compares her running times in a marathon to her times for last year's race. He records whether she has increased or decreased her
time for the first three stages of the race. What is the total increase or
decrease in Kelly's time? Did she improve her time? Explain.
Kelly's Marathon Times
Time Comparison
Stage
(in minutes)
First
Second
->
Third
-3
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17 Kelly's dad compares her running times in a marathon to her times for

last year's race. He rec

Answers: 2

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17 Kelly's dad compares her running times in a marathon to her times for last year's race. He recor...