Posted by Nate on Wednesday, November 3, 2010 at 10:14pm.
Two cars travel the same distance. The first car travels at a rate of 37 mph and reaches its destination in t hours. The second car travels at a rate of 54 mph and reaches its destination in 3 hours earlier than the first car.
How long does it take for the first car to reach its destination?
Answer in units of hours.
11th grade Math - PsyDAG, Thursday, November 4, 2010 at 1:34pm
Distance = rate * time
Let t = time for first car
37t = 54(t-3)
Solve for t.
11th grade Math - Kye, Thursday, November 4, 2010 at 11:38pm
37t = 54t-162
-17t = -162
t = 9.52941165
11th grade Math - Eric Davis, Friday, November 5, 2010 at 2:10am
find an equation of variation where y varies directly as x,and y=7 when x= 3
11th grade Math - Reisang kasar, Friday, February 19, 2016 at 1:47am
Y varies directly as x,i.e x by y equal to 3 by 7
Answer This Question
More Related Questions
- physics - A car and a coach leave from the same place, at the same time, ...
- Help!...Math... - Two cars leave town going opposite directions. One car is ...
- Calculus - Two trucks start from the same point. One truck travels due east at a...
- Math - Please help me.... Two cars are starting from positions that are 20 miles...
- Calculus - Two cars start moving from the same point. One travels south at 60 ...
- Math - Teo cars are 635 km apart.they start at the sane time and drive toward ...
- math - Suppose that a certain municipality uses the equation y=3(x-50)+30 to ...
- math - distance = rate x time or d = r*t car traveling 40 mi/hr goes 40 mi/hr x ...
- Help...Math...Algebra...please!... - Two cars leave town going in the same ...
- Physics - Two cars travel at the same constant speed. The first car travels for ...