document.write( "Question 1087331: A man walked for 3 hours at 4.5 km/h and cycled for some time at 15km/h. Altogether, he traveled 21km. find the time taken for cycling?
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Algebra.Com's Answer #701587 by ikleyn(52803)\"\" \"About 
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document.write( "This time is equal to  \"%2821-3%2A4.5%29%2F15\" = 0.5  of an hour.\r\n" );
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