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(t3)
Solve for t.

11th grade Math  Kye, Thursday, November 4, 2010 at 11:38pm
37t = 54t162
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
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