document.write( "Question 886738: in a race from point X to point Y,bilal averages 30 miles/hr to point Y and 10 miles/hr back to point X.hashim averages 20 miles/hr in both directions.if bilal and hashim begin the race at the same time,who will finish first?
\n" );
document.write( "A) bilal
\n" );
document.write( "B) hashim
\n" );
document.write( "C)they tie\r
\n" );
document.write( "\n" );
document.write( "i need its answer with explanation plz.. \n" );
document.write( "
Algebra.Com's Answer #536105 by edjones(8007) You can put this solution on YOUR website! s=m/hr, t=hrs., d=m, b=bilal, h=hashim, m=miles \n" ); document.write( "st=d \n" ); document.write( "in 1 hr b goes 30 m. \n" ); document.write( "10t=30m \n" ); document.write( "t=3hr \n" ); document.write( "1+3=4hr time it take b to go back and forth between X and Y if the distance between them is 30 miles. \n" ); document.write( ". \n" ); document.write( "For h, since his speed is the same in both directions, the total distance he travels is 60m. \n" ); document.write( "20t=60 \n" ); document.write( "t=3 hr \n" ); document.write( "h wins the race in 3/4 the time of b. \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |