document.write( "Question 157899: a car travels 120km in 1 hour 40 mins. work out the speed of the car in km/h
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Algebra.Com's Answer #116349 by oscargut(2103)\"\" \"About 
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a car travels 120km in 1 hour 40 mins.\r
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\n" ); document.write( "\n" ); document.write( "x=120(60)/100=12(6)=72
\n" ); document.write( "Answer: speed is 72 km/h
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