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April 20, 2014

April 20, 2014

Posted by **Fatima** on Wednesday, March 7, 2012 at 12:34am.

- Mathematics -
**drwls**, Wednesday, March 7, 2012 at 1:17am54 T1 + 60 T2 = 225 (km)

T1 + T2 = 4 (hours)

54 T1 + 54 T2 = 216

6 T2 = 9

T2 = 1.5 hours

T1 = 2.5 hours

60 T2 = 90 km is travelled at the higher speed.

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