SOLUTION: A tourist bus leaves Townsville and heads North. It travels at an average speed of 50km/h. It does not stop until it reaches the small and little known settlement of Goanna Creek.

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: A tourist bus leaves Townsville and heads North. It travels at an average speed of 50km/h. It does not stop until it reaches the small and little known settlement of Goanna Creek.       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 435071: A tourist bus leaves Townsville and heads North. It travels at an average speed of 50km/h. It does not stop until it reaches the small and little known settlement of Goanna Creek.
A second tourist bus leaves Townsville 2 hours later than the first and travels at an average speed of 70km/h. The second bus arrives at Goanna Creek the same time as the first bus.
How long does it take the first bus to reach Goanna Creek? Explain.

Answer by shree840(260) About Me  (Show Source):
You can put this solution on YOUR website!
let t hours be the time
50t=70(t-2)=70t-140
20t=140
t=7 hours ANS