document.write( "Question 1155618: Alexa makes a journey of 430km, traveling 160km by bus and 270km by car. If the car
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Algebra.Com's Answer #778223 by ikleyn(52817) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "Write the \"time equation\"\r\n" );
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document.write( "    +  = 5  hours,\r\n" );
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document.write( "where x is the unknown speed of the car.\r\n" );
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document.write( "And then solve it.\r\n" );
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document.write( "ANSWER  (which can be obtained mentally) is  x= 90 kilometers per hour.\r\n" );
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