document.write( "Question 758397: Please help me answer this question.As soon as possible please. It is due this afternoon.
\n" ); document.write( "A,B and C travel from the same place at the rates of 5,6 and 8km an hour respectively. If B starts 2 hours after A, how long after B must C start in order that they may overtake A at the same instant.
\n" ); document.write( "I know that---
\n" ); document.write( "Speed= Distance divided by Time
\n" ); document.write( "Time= Distance divided by Speed
\n" ); document.write( "and
\n" ); document.write( "Distance= Speed times Time
\n" ); document.write( "Thank You :) \n" ); document.write( "
Algebra.Com's Answer #461452 by lwsshak3(11628)\"\" \"About 
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A,B and C travel from the same place at the rates of 5,6 and 8km an hour respectively. If B starts 2 hours after A, how long after B must C start in order that they may overtake A at the same instant.
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\n" ); document.write( "A, B & C travel the same distance.
\n" ); document.write( "let x=travel time for A
\n" ); document.write( "x-2=travel time for B
\n" ); document.write( "distance=speed * travel time
\n" ); document.write( "5x=6(x-2)
\n" ); document.write( "5x=6x-12
\n" ); document.write( "x=12 hrs
\n" ); document.write( "x-2=10 hrs
\n" ); document.write( "distance=5x=60 km
\n" ); document.write( "let t=travel time for C
\n" ); document.write( "8t=60
\n" ); document.write( "t=60/8=15/2=7.5 hrs
\n" ); document.write( "C starts 2.5 hrs after B to overtake A at the same instant
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