document.write( "Question 256073: A person traveling 210 km by car drove the first part at 100 km/h and the rest at 80 km/h. If the trip took 2 (1/4) h to complete, what distance was traveled at 100 km/h? \n" ); document.write( "
Algebra.Com's Answer #188236 by richwmiller(17219)\"\" \"About 
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rt+rt=d
\n" ); document.write( "100t+80(2.25-t)=210
\n" ); document.write( "t=1.5 hr. at 100kph\r
\n" ); document.write( "\n" ); document.write( "2.25-1.5=.75 hr at 80 kpm
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