document.write( "Question 795182: 2 boys with 2 way radios that have a range of 2 miles leave camp and walk in opposite directions. if one boy walks 3 mph and the other boy walks 4 mph, how long will it take before they lose radio contact \n" ); document.write( "
Algebra.Com's Answer #480828 by josgarithmetic(39627)\"\" \"About 
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In other words, the question is, after how much time is the sum of their distances from the starting point more than 2 miles?\r
\n" ); document.write( "\n" ); document.write( "rate*time=distance\r
\n" ); document.write( "\n" ); document.write( "\"3%2At%2B4%2At=2\", the sum of their distances from starting.
\n" ); document.write( "\"7t=2\"
\n" ); document.write( "\"highlight%28t=2%2F7%29\" hour or approximately more than 17 minutes 10 seconds.
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