document.write( "Question 1016512: Two brothers leave from the same point driving in opposite directions, the first brother driving at 55 miles per hour and the second at 65 mph. The first brother has a one hour head start. How long will they be able to talk on their car phones if the phones have a 230-mile range? \n" ); document.write( "
Algebra.Com's Answer #633147 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "When the second brother starts, they 55 miles apart, \n" ); document.write( "and separating at (55mph+65mph=) 120 mph. \n" ); document.write( "They have (230 mi-55 mi=) 175 miles of range left. \n" ); document.write( "175 mi/120 mph=1.46 hours \n" ); document.write( ". \n" ); document.write( "ANSWER: They will be in range for 1.46 hours \n" ); document.write( "after the second brother leaves. \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( " |