contestada

A model train has an engine and 6 box cars The engine is 14CM long and each box car is 11CM Lang There is a 1 cm space between cars How long is the train

Respuesta :

sqdancefan

Answer:

  86 cm

Step-by-step explanation:

The total length of the engine and cars is ...

  engine length + 6 × boxcar length

  = (14 cm) + 6×(11 cm) = 80 cm

For a train with 7 cars, there will be 6 spaces, so the total length of the train is ...

  length of cars + length of spaces

  = 80 cm + 6×(1 cm) = 86 cm . . . . length of train

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