document.write( "Question 212069: Russ and Janet are running. Russ runs at 7mph, Janet at 5mph. If the run has a staggered start, and Janet starts first with Russ starting 10 minutes later, how long before he catches up with her? \n" ); document.write( "
Algebra.Com's Answer #160157 by drj(1380)![]() ![]() You can put this solution on YOUR website! Russ and Janet are running. Russ runs at 7mph, Janet at 5mph. If the run has a staggered start, and Janet starts first with Russ starting 10 minutes later, how long before he catches up with her?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 1. Find distance Janet travels just before Russ starts running.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(5 miles/hour) * (1 hour/60 minutes) * (10 minutes) = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 2. You need to realize that Russ and Janet must travel the same distance when Russ catches up.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "distance = velocity * time\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 3. Russ traveled \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 4. Janet traveled \n" ); document.write( "\n" ); document.write( "Step 5. Set equations equal: Step 3 = Step 4\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 6. Subtract 5x from both sides of equation in previous step.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 7. Divide by 2 to solve for x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Step 8. Answer is \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For Step-By-Step Videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra. \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |