document.write( "Question 884670: A car travels 2 hours at uniform speed. If it will slow down to 1/2 of original speed, the car reaches its destination 30 minutes later covering a total distance of 84 km. What is the original speed? \n" ); document.write( "
Algebra.Com's Answer #534568 by josgarithmetic(39620)\"\" \"About 
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RT=D Key Concept Equation
\n" ); document.write( "\"%281%2F2%29hour=30%2Aminutes\"
\n" ); document.write( "Let r = original speed\r
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\n" ); document.write( "\n" ); document.write( "__________________rate_________time________distance
\n" ); document.write( "Regular___________r____________2___________(_____)
\n" ); document.write( "Half-speed________r/2__________1/2_________(_____)
\n" ); document.write( "TOTAL______________________________________84\r
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\n" ); document.write( "\n" ); document.write( "Unfinished intentionally, but this initial set-up should be quickly and effectively helpful.
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