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!!
Send comments and “thank-yous” to “D” at MathMadEzy@aol.com
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