document.write( "Question 1154679: At 9:30 car a started its journey at 65 km/h. At 11:00 car B started its journey and travelled at the same road as car a. If car b took 5 hours to catch up with car a find the speed of car b. \n" ); document.write( "
Algebra.Com's Answer #777151 by ikleyn(52781)\"\" \"About 
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document.write( "From 9:30 am to 11:00 am, car A covered 65 km/h * 1.5 hours = 97.5 km.\r\n" );
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document.write( "Now let start count the time from the moment of 11:00 am: we have two cars moving.\r\n" );
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document.write( "The distance traveled by car A to the moment of time 11:00 am + 5 hours = 4:00 pm is\r\n" );
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document.write( "    97.5 + 5*65 kilometers = 422.5.\r\n" );
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document.write( "So, the car B covered this distance in 5 hours.\r\n" );
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document.write( "Hence, the car B' speed was  \"422.5%2F5\" = 84.5 kilometers.    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "See introductory lessons on Travel and Distance problems\r
\n" ); document.write( "\n" ); document.write( "    - Travel and Distance problems \r
\n" ); document.write( "\n" ); document.write( "    - Travel and Distance problems for two bodies moving in opposite directions \r
\n" ); document.write( "\n" ); document.write( "    - Travel and Distance problems for two bodies moving in the same direction (catching up)\r
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\n" ); document.write( "\n" ); document.write( "You will find the solutions of many similar problems there.\r
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\n" ); document.write( "\n" ); document.write( "Read them and learn once and for all from these lessons on how to solve simple Travel and Distance problems.\r
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\n" ); document.write( "\n" ); document.write( "Become an expert in this area.\r
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