SOLUTION: Two friends decide to meet in Chicago to attend a white sox game. Rob travels 100 miles in the same time that Carl travels 84 miles. Robs trip uses more interstate highways and he
Algebra.Com
Question 354556: Two friends decide to meet in Chicago to attend a white sox game. Rob travels 100 miles in the same time that Carl travels 84 miles. Robs trip uses more interstate highways and he can average 8 mph more than Carl. What's robs average speed?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Carl travels 84 miles. let carl's speed be x
Rob travels 100 miles his speed = x+8 mph
the time they take is same
..
Time = distance /speed
84/x=100/(x+8)
84(x+8)=100x
84x+672=100x
100x-84x=672
16x=672
/16
x=672/16
x= 42 mph carls speedRob's speed = x+8
=16+8=24 mph
...
m.ananth@hotmail.ca
RELATED QUESTIONS
Two friends decide to meet in Chicago to attend a cubs game. Rob travels 96 miles in the (answered by stanbon)
Two friends decide to meet in Chicago to attend a Cubs baseball game. Rob travels... (answered by Cromlix)
Hello,
Please help with this word problem and show steps on how you recieved... (answered by checkley71)
translate the problem into a pair of linear equations in two variables. solve the... (answered by stanbon)
Translate the problem into a pair of linear equations in two variables. Solve the... (answered by mananth)
Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 147 miles in the... (answered by mananth)
Solve the problem. Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels (answered by ankor@dixie-net.com)
Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 108 miles in the... (answered by bucky)
Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 84 miles in the... (answered by gonzo)