document.write( "Question 389482: a bus travels alone a highway at a constant rate of 55 miles per hour. How far does the bus travel in 3 hours and 24 minutes? \n" ); document.write( "
Algebra.Com's Answer #276001 by gwendolyn(128)\"\" \"About 
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We use the formula distance = rate * time. The only trick is using consistent units since 3 hours and 24 minutes is a mixture of hours and minutes.\r
\n" ); document.write( "\n" ); document.write( "Let's change that into an improper fraction using the fact that there are 60 minutes in an hour. 3 hours and 24 minutes is the same as 3 and 24/60 hours.
\n" ); document.write( "So:\r
\n" ); document.write( "\n" ); document.write( "3 and 24/60 = 3*(60/60) and 24/60\r
\n" ); document.write( "\n" ); document.write( "180/60 + 24/60 = 204/60 hours\r
\n" ); document.write( "\n" ); document.write( "Now we can use the formula:\r
\n" ); document.write( "\n" ); document.write( "distance = 55 * 204/60\r
\n" ); document.write( "\n" ); document.write( "distance = 187 miles\r
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