IfIf you swim 4 lengths of a pool and break a record by 0.72 second. The table shows your time for each length compared to the previous record holder. How much faster or slower is your third length than the previous record holder is: 0.54 seconds.
How much faster or slower is the third length
First step is to calculate the different in speed between first and fourth length
Using this formula
Speed =-First length time in seconds +(- Fourth length time in seconds)
Let plug in the formula
Speed=-0.23+(-0.42)
Speed=-0.65
Second step is to calculate the third length
Speed=-0.65+0.11
Speed=-0.54 seconds
Therefore If you swim 4 lengths of a pool and break a record by 0.72 second. The table shows your time for each length compared to the previous record holder. How much faster or slower is your third length than the previous record holder is: 0.54 seconds.
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