document.write( "Question 1006810: Tricia and Janine are roommates and leave Houston on Interstate 10 at the same time to visit their families for a long weekend. Tricia travels west and Janine travels east. If Tricia’s average speed is 20 miles per hour faster than Janine’s, find the speed of each if they are 310 miles apart in 2 hours and 30 minutes. \n" ); document.write( "
Algebra.Com's Answer #622865 by macston(5194)\"\" \"About 
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\n" ); document.write( "T=Tricia's speed; J=Janine's speed=T-20 mph
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\n" ); document.write( "310mi/2.5hr=124 mph
\n" ); document.write( "The combined speed of both is 124 mph
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\n" ); document.write( "T+J=124 mph
\n" ); document.write( "T+T-20mph=124 mph
\n" ); document.write( "2T=144 mph
\n" ); document.write( "T=72 mph
\n" ); document.write( "ANSWER 1: Tricia's speed was 72 miles per hour.
\n" ); document.write( "J=T-20 mph=72 mph - 20 mph=52 mph
\n" ); document.write( "ANSWER 2: Janine's speed was 52 miles per hour.
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\n" ); document.write( "CHECK:
\n" ); document.write( "2.5hr(J)+2.5hr(T)=310 mi
\n" ); document.write( "2.5hr(52 mph)+2.5 hr(72 mph)=310 mi
\n" ); document.write( "130 mi+180 mi=310 mi
\n" ); document.write( "310 mi=310 mi\r
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