document.write( "Question 1021785: Two brothers leave from the same point driving in opposite​ directions, the first brother driving at 65 miles per hour and the second at 55mph. 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 300​-mile ​range?\r
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\n" ); document.write( "\n" ); document.write( "The phones will be out of range ______ hours after the first brother left.
\n" ); document.write( "​(Simplify your answer. Type an​ integer, fraction, or mixed​ number
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Algebra.Com's Answer #637511 by lwsshak3(11628)\"\" \"About 
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Two brothers leave from the same point driving in opposite​ directions, the first brother driving at 65 miles per hour and the second at 55mph. 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 300​-mile ​range? \r
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\n" ); document.write( "\n" ); document.write( "let x=travel time of 2nd brother
\n" ); document.write( "x+1 =travel time of 1st brother
\n" ); document.write( "speed*travel time =distance
\n" ); document.write( "55x+65(x+1)=300
\n" ); document.write( "55x+65x+65=300
\n" ); document.write( "120x=235
\n" ); document.write( "x=1.96
\n" ); document.write( "The phones will be out of range 1.96 hours after the first brother left.
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