Asked by mathew
Julia and Bianca both leave the college at the same time, but in opposite directions. If Bianca travels 9 mph faster than Julia and after 4 hours they are 140 miles apart, how fast is each traveling?
Answers
Answered by
PsyDAG
Let x = Julia's speed, then x+9 = Bianca's.
Time * Speed = Distance
4(x + x+9) = 140
Solve for x, then x+9.
Time * Speed = Distance
4(x + x+9) = 140
Solve for x, then x+9.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.