SOLUTION: Sam flew a distance of 500/hrs miles at a normal speed. On the trip back ( also 500 miles) Sam doubled the speed of the plane. How fast did Sam fly on the way back if the total tra

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Question 1157795: Sam flew a distance of 500/hrs miles at a normal speed. On the trip back ( also 500 miles) Sam doubled the speed of the plane. How fast did Sam fly on the way back if the total travelling time was 5 hours ?
Please show work thanks!!

Found 4 solutions by josgarithmetic, cv119252, MathTherapy, Alan3354:
Answer by josgarithmetic(39627)   (Show Source): You can put this solution on YOUR website!
       SPEED     TIME         DISTANCE

TO       r        500/r        500

BACK    2r        500/(2r)     500

Total              5


Solve for 2r.


Answer by cv119252(2)   (Show Source): You can put this solution on YOUR website!
Sam travels at a speed of 2500 mile on the way back
It say on the way back he double the spead so it should be 1000, but then he travels for 5 hrs in total so 2h:30 while going and coming back.
so u multiply 1000 miles with 2.5hrs and get 2500 miles

Answer by MathTherapy(10556)   (Show Source): You can put this solution on YOUR website!

Sam flew a distance of 500/hrs miles at a normal speed. On the trip back ( also 500 miles) Sam doubled the speed of the plane. How fast did Sam fly on the way back if the total travelling time was 5 hours ?
Please show work thanks!!
Let outbound speed be S
Then return speed = 2S
We then get the following TIME equation:
------ Reducing fractions by factoring out numerator GCF, 5
2S = 200 + 100 ------ Multiplying by LCD, 2S
Return speed or
Accept NO other ANSWER!!
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Sam flew a distance of 500/hrs miles
-----------
"500/hrs miles" is not a distance.
I don't know what means, but it's not a distance.

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