document.write( "Question 363375: A ferry leaves a harbor and travels to a resort island at an average speed of 22 mph. On the return trip, the ferry travels at an average speed of 18 mph because of fog. The total time for the trip is 5 h. How far is the island from the harbor \n" ); document.write( "
Algebra.Com's Answer #259094 by amoresroy(361)![]() ![]() You can put this solution on YOUR website! Let T = travel time to island in hours \n" ); document.write( " 5-T = travel time back to harbor in hours\r \n" ); document.write( "\n" ); document.write( "D = distance of island from harbor \n" ); document.write( " = 22 T\r \n" ); document.write( "\n" ); document.write( "22T = 18(5-T)\r \n" ); document.write( "\n" ); document.write( "22T = 90 - 18T \n" ); document.write( "40T = 90 \n" ); document.write( "T = 2.25\r \n" ); document.write( "\n" ); document.write( "D = 2.25 (22) \n" ); document.write( "D = 49.5 miles \n" ); document.write( " |