Posted by **Cecilia** on Thursday, October 18, 2007 at 9:42pm.

Ronald made a trip of 450 miles in 8 hours. Before noon he avg. 60 miles per hour, and after noon he avg. 50 miles per hour. At what time did he begin his trip and when did it end?

- math -
**Anonymous**, Thursday, October 18, 2007 at 9:50pm
D=RT

450=60(8-x)+50x

- math -
**Anonymous**, Thursday, October 18, 2007 at 11:01pm
If I told you Ronald traveled 3 hours after noon, how long did he traveled before noon (given he traveled both before and after noon in 8 hours)?

- math -
**Cecilia**, Thursday, October 18, 2007 at 11:04pm
5 hours

- math -
**Anonymous**, Thursday, October 18, 2007 at 11:07pm
That is why it is 8-x. Do you understand?

## Answer This Question

## Related Questions

- math - substitute to find the value of the expression. A train must cover a ...
- Math - I an taking the SAT this week and I am so screwed. I keep getting these ...
- Trigonometry- Help! - After one hour in flight, an airplane is located 200 miles...
- math - On a 9-hour trip home from winter break, Mary was forced to drive on a ...
- maths - A motorist travels 120 miles to his destionation at an average speed of ...
- math - andys average driving speed for a 4-hour trip was 45 miles per hour. ...
- Math- Multi-step word problems - A plane traveling from Phoenix to Washington, D...
- Math - Which ratio is equivalent to 4/16 A. 2:4•• B. 6 to 20 C. 8:32 D. 12 to 64...
- Math - A bird leaves his nest and travels 20 miles per hour downward for x hours...
- Math- Multi-step word problems - A canoe in still water travels at a rate of 10 ...

More Related Questions