SOLUTION: A parade 2 miles long and moving at the rate of 3 miles per hour passed completely a line of spectators in one hour and twenty minutes. How long was the line of spectators?

Algebra.Com
Question 338990: A parade 2 miles long and moving at the rate of 3 miles per hour passed completely a line of spectators in one hour and twenty minutes. How long was the line of spectators?
Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
s=speed, t=time, d=distance
st=d
3 * 4/3 = 4 mi. distance the parade traveled in the 1 1/3 hrs.
4-2(length of the parade)=2 mi Length of the line of spectators.
.
Ed

RELATED QUESTIONS

A migrating elephant herd started moving at a rate of 6 miles per hour. One stood still... (answered by ankor@dixie-net.com)
In a large marathon, runners start the race in stages. Leanna started in group E and ran (answered by solver91311)
In a large marathon, runners start the race in stages. Jorge started in group E and ran... (answered by ankor@dixie-net.com)
Leona walks at a rate of 5 miles per hour and Sam walks at a rate of 6 miles per hour. If (answered by josgarithmetic)
John walks 10 miles at average rate of 2 miles per hour and returns on a bicycle at an... (answered by rothauserc)
A migrating elephant herd started moving at a rate of 6 miles per hour. ONe elephant... (answered by Mathtut)
A migrating elephant herd started moving at a rate of 6 miles per hour. One elephant... (answered by solver91311)
A man walks 31 miles, partly at the rate of 2 miles per hour and the rest at the rate of... (answered by ankor@dixie-net.com)
Liz ran at a rate of 8 miles per hour, then walked at 3 miles per hour. If it took her... (answered by ankor@dixie-net.com)