SOLUTION: Mr. Thomas drove his old truck to the city at a rate of 40 mi/hr and drove back home on the interstate at a rate of 60 mi/hr. The total trip took 6 hr. How far is Mr. Thomas's home

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Question 640682: Mr. Thomas drove his old truck to the city at a rate of 40 mi/hr and drove back home on the interstate at a rate of 60 mi/hr. The total trip took 6 hr. How far is Mr. Thomas's home from the city.
I've tried and got . I checked it and the answer was wrong. I'm not sure what to do.
Answer by MathTherapy(10552) (Show Source):
You can put this solution on YOUR website!

Mr. Thomas drove his old truck to the city at a rate of 40 mi/hr and drove back home on the interstate at a rate of 60 mi/hr. The total trip took 6 hr. How far is Mr. Thomas's home from the city.
I've tried and got . I checked it and the answer was wrong. I'm not sure what to do.

It appears as though you wanted to do a distance equation, hence 40t + 60(��

It should�ve been: 40t = 60(6 � t). This would�ve given you a time of 3.6 hours. You�d then need to multiply that 3.6 hours by 40 to get a distance of 144 miles, OR
You could also multiply 60 by 2.4 (6 � 3.6) hours to get 144 miles

Let distance of his home from the city be D
Time equation: Time taken to travel to city, plus time taken to travel back home, equals total time, OR

----- Multiplying by LCD, 120

D, or distance of his home from the city = , or miles

You can do the check, I�m sure!!

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