document.write( "Question 335095: A trip of 1080 kms. Part way in car the avged 60 km/hr remainder on train travelling 100 km/hr. Entire trip was 12 hour. What distance travelled in each mode? \n" ); document.write( "

Algebra.Com's Answer #240238 by Fombitz(32388) $\"\"$ $\"About$

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Rate*Time=Distance
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\n" ); document.write( " $\"60%2AT1=D1\"$
\n" ); document.write( " $\"100%2AT2=D2\"$
\n" ); document.write( "1. $\"D1%2BD2=1080\"$
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\n" ); document.write( " $\"T1%2BT2=12\"$
\n" ); document.write( " $\"D1%2F60%2BD2%2F100=12\"$
\n" ); document.write( "2. $\"5D1%2B3D2=3600\"$
\n" ); document.write( "From eq. 1,
\n" ); document.write( " $\"D1=1080-D2\"$
\n" ); document.write( "Substitute into eq. 2,
\n" ); document.write( " $\"5%281080-D2%29%2B3D2=360\"$
\n" ); document.write( " $\"5400-5D2%2B3D2=3600\"$
\n" ); document.write( " $\"-2D2=-1800\"$
\n" ); document.write( " $\"highlight%28D2=900%29\"$ km
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\n" ); document.write( " $\"D1%2B900=1080\"$
\n" ); document.write( " $\"highlight%28D1=180%29\"$ km \n" ); document.write( "

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