document.write( "Question 226693: i need the formula to use to see what is a car's speed in kilometers per hour if a 90-kilometer trip took 3 hours \n" ); document.write( "
Algebra.Com's Answer #168759 by rfer(16322) ![]() You can put this solution on YOUR website! D=tr \n" ); document.write( "r=D/t \n" ); document.write( "r=90/3 \n" ); document.write( "r=30 kph \n" ); document.write( " |