document.write( "Question 1136612: Sarah left Minneapolis heading east on the interstate at a speed of 60 mph. Her sister followed her on the same route, leaving three hours later and driving at a rate of 75 mph. How long, in hours, will it take for Sarah's sister to catch up to Sarah? \n" ); document.write( "

Algebra.Com's Answer #754397 by josgarithmetic(39618) $\"\"$ $\"About$

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USED WRONG DATA - MISREAD PROBLEM DESCRIPTION\r
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document.write( "sarah        60          x+1/2         60x+60*(1/2)\r\n" );
document.write( "sister       75          x             75x\r\n" );
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\n" ); document.write( "\n" ); document.write( "~~Sarah traveled $\"60%2F2=30\"$ miles until Sister began.~~
\n" ); document.write( "Approach rate of sister $\"75-60=15\"$ mph;\r
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\n" ); document.write( "\n" ); document.write( " $\"cross%2815x=30%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"cross%28x=30%2F15%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"cross%28x=2%29\"$ $\"cross%28hours%29\"$ \n" ); document.write( "

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