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Mathematics 19 Online
OpenStudy (anonymous):

Lenny can swim 5 laps every 4 min. How many laps can he swim in 15 min?

OpenStudy (anonymous):

@eric_d

OpenStudy (eric_d):

Take 5 divide by 4 and multiply it with 4 @Bree123

OpenStudy (anonymous):

5

OpenStudy (eric_d):

sorry.. multiply it with 15mins not 4 @Bree123

OpenStudy (eric_d):

|dw:1420486512561:dw|

OpenStudy (anonymous):

18.75

OpenStudy (eric_d):

5 divide by 4 is the time needed for 1 lap

OpenStudy (eric_d):

yes, it's correct

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