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)![]() ![]() ![]() You can put this solution on YOUR website! RT=D Key Concept Equation \n" ); document.write( " \n" ); document.write( "Let r = original speed\r \n" ); document.write( " \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 \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Unfinished intentionally, but this initial set-up should be quickly and effectively helpful. \n" ); document.write( " |