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July 25, 2014

July 25, 2014

Posted by **Sabrina** on Thursday, October 4, 2012 at 12:45am.

- advanced algebra -
**Reiny**, Thursday, October 4, 2012 at 8:24amlet the distance be x km

time driving = x/48

time biking = x/16

x/48 + x/16 = 4

times 48

x + 3x = 192

x = 48

Distance was 48 km

check: 48/48 + 48/16 = 1+3 = 4

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