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Angel ran 1 lap in 2 minuites Jayden ran 3 laps in 5 min the trck is 2/5 km long  How many minutes does it take angel to run one km? what about jayden?

 Jan 8, 2016
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Angel

 

2/5 km/ 2 min  = 1km / ? min      cross-multiply

 

2/5 [? ] = 2     multiply both sides by 5/2

 

?  = (5/2) * 2   = 5 min  to run 1 km

 

Jaden

 

3 laps  = 6/5km  .....so....

 

(6/5)km / 5min   = 1km / ? min       cross-multiply

 

(6/5) [?]  = 5      multipy both sides by 5/6

 

?  = 25/6 min   = 4 + 1/6 min   = 4 min 10 sec to run 1km

 

 

 

cool cool cool

 Jan 8, 2016

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