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Mathematics 13 Online
OpenStudy (narissa):

help

OpenStudy (narissa):

OpenStudy (narissa):

its let than 20 so 18?

OpenStudy (narissa):

@MyNameIsNemo

OpenStudy (narissa):

or 19?

alones (alones):

it's 18 probably 18.75

OpenStudy (anonymous):

If he swims 5 laps ever 4 minutes then he swims 1.25 laps per minute (5/4) If he swims 1.25 laps per minute, then in 15 minutes he swims 18.75 laps (15x1.25)

OpenStudy (mynameisnemo):

grrrr you steaallllll

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