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November 27, 2014

November 27, 2014

Posted by **thomas** on Sunday, September 2, 2012 at 5:04pm.

pair of cities. She drives for 31.5 min at

89.6 km/h, 11.8 min at 101.8 km/h, and

58.5 min at 36.4 km/h, and spends 24.8 min

eating lunch and buying gas.

Find the distance between the initial and

ﬁnal cities along this route.

Answer in units of km

- physics -
**Henry**, Tuesday, September 4, 2012 at 11:17pmDt=89.6km/60min*31.5min+

101.8km/60min*11.8min+36.4km/60min*58.5=

Tot. Dist.

T = t1 + t2 + t3 + t4. = Tot. min.

T/60min/h = T in hours.

r(avg) = Dt/T

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