1graham swam 14 laps 12 times in may.
he swam 15 laps 16 times in june.
part a
draw arrays or area models to find the
number of laps graham swam during the
two months.

points
a
part b
write and solve equations to represent
your arrays or area models.

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The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score