document.write( "Question 158691: A train is travelling at an average speed of 40 kilometres per hour. How long wil it take to travel 30 kilometres? \n" ); document.write( "

Algebra.Com's Answer #116886 by jojo14344(1513) $\"\"$ $\"About$

You can put this solution on YOUR website!
Remember: $\"Speed=Distance%2Ftime\"$ ---> $\"S=d%2Ft\"$
\n" ); document.write( " $\"t=d%2FS=30cross%28km%29%2F40%28cross%28km%29%2Fhr%29\"$
\n" ); document.write( " $\"t=0.75hr\"$ ---> $\"0.75cross%28hr%29%2860mins%2F1cross%28hr%29%29=45mins\"$
\n" ); document.write( "Thank you,
\n" ); document.write( "Jojo \n" ); document.write( "

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