document.write( "Question 308471: During the first 20 miles of a 50 mile bicycle race, Roger's average speed was 16 mi/h. What must his average speed be during the remainder of the race if he is to finish the race in less than 2.5 hours? Greater than: \n" ); document.write( "

Algebra.Com's Answer #220567 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "If he averaged 16 mph for the first 20 miles, then

hours have elapsed. Since he wants to complete the race in

hours, there are

hours remaining. He has

miles to go. So he has to have a rate of

miles per hour.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "John
\n" ); document.write( "

\n" ); document.write( " \n" ); document.write( "

\n" );