document.write( "Question 535173: Sina has an appointment at 11:15, 40 km from her home. She averaged 60km/h for the trip and arrived 15 minutes late for the appointment.
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document.write( "At what time did she leave her home? \n" );
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Algebra.Com's Answer #351802 by Iluvidina(15)![]() ![]() You can put this solution on YOUR website! 10 \n" ); document.write( "First I figured out what time she arrived at her appointment \n" ); document.write( "Her appointment was at 11:15 and she was 15 minutes late, so she arrived at 11:30 \n" ); document.write( "Then, I figured out how long it took her to get there \n" ); document.write( "I divided 60 by 40 because she averaged 60 km/hr and it is 40 km from her house \n" ); document.write( " 60/40=1.5, which is 1 hour and 30 minutes \n" ); document.write( "Then I subtracted 11:30 minus 1 1/2 hours, because that is subtracting the time she arrived by how long it took her to get there, so the answer will be what time she left the house \n" ); document.write( "11.50-1.5=10 \n" ); document.write( "so she left her house at 10 \n" ); document.write( " |