document.write( "Question 1173945: The rate (R) of a car varies inversely with the time (T). A trip takes 8 hours at 60 km/hr. How long will be the same trip take at 70 km/hr? \n" ); document.write( "
Algebra.Com's Answer #799290 by Cromlix(4381) You can put this solution on YOUR website! Hi, \n" ); document.write( "R varies inversely with Time \n" ); document.write( "R = k/T \n" ); document.write( "60 = k/8 \n" ); document.write( "k = 480 \n" ); document.write( "R = 480/T \n" ); document.write( "70 = 480/T \n" ); document.write( "T70 = 480 \n" ); document.write( "T = 480/70 \n" ); document.write( "T = 6.86 (2 dp)hrs. \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |