document.write( "Question 1188746: 1:A boat travelled a certain distance upstream at a speed of 15kmh^-1 and returned at 22.5kmh^-1 find the the average speed for The whole journey.
\n" ); document.write( "2:a motor vehicle driver travelled 60km from point P to point Q at an average speed of 30km/h and another 60km from point Q to R at an average speed of 20 km/h . find the average speed from point P to point R
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Algebra.Com's Answer #819911 by ikleyn(52778)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "For problem (1), see the link\r
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\n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/Average/Average.faq.question.1188745.html\r
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\n" ); document.write( "\n" ); document.write( "A TWIN problem is solved there, giving a TEMPLATE to you.\r
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\n" ); document.write( "\n" ); document.write( "Use this template to solve the given problem.\r
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\n" ); document.write( "\n" ); document.write( "Do it in the same way.\r
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\n" ); document.write( "\n" ); document.write( "Only the numbers are different - the solution methodology is the same.\r
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\n" ); document.write( "\n" ); document.write( "Do not pack more than one problem per post.\r
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\n" ); document.write( "\n" ); document.write( "It is PROHIBITED by the rules of this forum.\r
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