document.write( "Question 877627: : a car travels at a speed of 30 km/h for 30 minutes and then at a speed of 45 km/h . what is the total distance travelled by the car in 2 hours \n" ); document.write( "

Algebra.Com's Answer #529449 by josmiceli(19441) $\"\"$ $\"About$

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The car travels at $\"+45+\"$ km/hr
\n" ); document.write( "for $\"+2+-+.5+=+1.5+\"$ hrs
\n" ); document.write( " $\"+d%5B1%5D+=+45%2A1.5+\"$
\n" ); document.write( " $\"+d%5B1%5D+=+67.5+\"$ km
\n" ); document.write( "-----------------------
\n" ); document.write( " $\"+d%5B2%5D+=+30%2A.5+\"$
\n" ); document.write( " $\"+d%5B2%5D+=+15+\"$ km
\n" ); document.write( "----------------------
\n" ); document.write( " $\"+d%5B1%5D+%2B+d%5B2%5D+=+67.5+%2B+15+\"$
\n" ); document.write( " $\"+d%5B1%5D+%2B+d%5B2%5D+=+82.5+\"$ km
\n" ); document.write( "The car travels 82.5 km in 2 hrs
\n" ); document.write( " \n" ); document.write( "

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