Posted by **Andre** on Sunday, April 7, 2013 at 3:47pm.

Kathy drove from Dry Creek to Cactus, a distance of 250km. She increased her speed by 10km/h for the 360km trip from Cactus to spur. If the total trip took 1 hours, what was her speed from Dry creek to Cactus.

- Math -
**Steve**, Sunday, April 7, 2013 at 6:47pm
Assuming Kathy is a Formula-1 racer, driving 510km in 1 hour,

time = distance/speed

add up the times:

250/x + 360/(x+10) = 1

x = 604.13 km/hr - a new world land speed record!!!!

If 1 hour is not the correct time, then fix it and solve the new equation.

## Answer This Question

## Related Questions

- Math - Kathy drove from Dry Creek to Cactus, a distance of 250km. She increased ...
- Math - Patrick drove 3 hours to attend a meeting. on the return trip, his speed ...
- college algebra - Kiran drove from City A to City B, a distance of 242 mi. She ...
- math - Hannah took a trip yo visit her cousin. She drove 120 miles to reach her ...
- math - it took cindy 2h to bike from abbott to benson at a constant speed. the ...
- Math - Mary drove from Amity to Belleville at a speed of 50 mph. On the way back...
- math - Rueben drove to the mountains last weekend. There was heavy traffic on ...
- math - Laura drove to the mountains last weekend. There was heavy traffic on the...
- math - A family drove 1080 miles to their vacation lodge. Because of increased ...
- Algebra II - Bill drove from Ajax to Bixby at an average speed of 50 mph. On the...

More Related Questions