i dont understand this algebra word problem

Algebra
Tutor: None Selected Time limit: 1 Day

A bus traveling 40 mi/h and a car traveling 50 mi/h cover the same distance. The bus travels 1 hour more than the car. How many hours did each travel?

Jan 11th, 2015

d = rt 

d = 40(t+1) 

d = 50t 

40(t+1) = 50t 

40t+40=50t 

40t=50t-40 

40t-50t=-40 

-10t=-40 

t=(-40)/(-10) 

t=4 

So the car traveled for 4 hours and the bus traveled for 5 hours.




Jan 11th, 2015

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