document.write( "Question 1052000: A motorboat leaves a dock and travels an average speed of 15mph towards an island. The speed on the return is only 10mph. If the return trip takes 1 hour longer, how far is the island from the dock? \n" ); document.write( "
Algebra.Com's Answer #667437 by ikleyn(52910)\"\" \"About 
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\n" ); document.write( "A motorboat leaves a dock and travels an average speed of 15mph towards an island. The speed on the return is only 10mph.
\n" ); document.write( "If the return trip takes 1 hour longer, how far is the island from the dock?
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document.write( "15t = 10*(t+1).\r\n" );
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document.write( "Solve for t (which is the time at the speed of 15 mph).\r\n" );
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document.write( "After finding t determine the distance as 15*t.\r\n" );
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