document.write( "Question 975446: a motorcycle travels 15 mph faster than a bicycle. the motorcycle driver covers 10 km in two hours less than it takes the bicycle driver to travel the same distance \n" ); document.write( "
Algebra.Com's Answer #597241 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
____________________speed___________time____________distance
\n" ); document.write( "Motorcycle__________r+15____________t-2_____________10
\n" ); document.write( "Bicycle______________r_______________t______________10\r
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\n" ); document.write( "\n" ); document.write( "Your system is this:
\n" ); document.write( "\"system%28%28r%2B15%29%28t-2%29=10%2Crt=10%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Two equations, two unknown variables. Several algebra steps using some substitutions.
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