shomework shomework
  • 06-11-2019
  • Mathematics
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3. The first car of the train, right behind the engine, contains 10 boxes. In each of the following
cars there are twice as many boxes as in the car in front of it.
How many boxes are there in the fifth car?
(A) 100
(B) 120
(C) 140
(D) 160
(E) 180

Respuesta :

pedro2980 pedro2980
  • 06-11-2019

Answer:

10×2=20 second car

20×2=40 third car

40×2=80 fourth car

80×2=160 fifth car

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