document.write( "Question 93052: The Joneses drove to their parents house at 45km/h. The return trip took 1 hour less because they traveled at 60km/h. How long did it take for them to get home? \n" ); document.write( "
Algebra.Com's Answer #67895 by checkley75(3666)\"\" \"About 
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distance=rate*time
\n" ); document.write( "45*t=60(t-1)
\n" ); document.write( "45t=60t-60
\n" ); document.write( "-15t=-60
\n" ); document.write( "t=-60/-15
\n" ); document.write( "t=4 hours for the 45 km/h trip.
\n" ); document.write( "proof
\n" ); document.write( "45*4=60*3
\n" ); document.write( "180=180\r
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