document.write( "Question 1200109: Jesse rode his bike for 2 hours at a constant rate. During the first 1.5 hours, he rode 9 miles. How many miles did Jesse ride his bike during the last half hour? (Enter an exact number.)
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he rode 9 miles in 1.5 hours.
\n" ); document.write( "his rate was 9/1.5 = 6 miles per hour.
\n" ); document.write( "he continued at the same rate for a another half hour at 6 miles per hour = .5 * 6 = 3 miles.
\n" ); document.write( "the total distance traveled was 9 + 3 = 12 miles.
\n" ); document.write( "at 6 miles per hour, the trip took 12/6 = 2 hours.
\n" ); document.write( "he rode 9 miles for the first 1.5 hours and 3 miles for the last .5 hours.
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