document.write( "Question 395991: An aircraft carrier and a nuclear-powered submarine leave a naval yard at the same time heading for the same destination. The aircraft carrier travels at a constant speed of 34.5 mph and the sub travels at a constant speed of 20.2 mph until they are 100 miles apart. How long will it take for them to be 100 miles apart? \n" ); document.write( "
Algebra.Com's Answer #280994 by rfer(16322)\"\" \"About 
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moving apart at 14.3 mph
\n" ); document.write( "100/14.3=7 hrs
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