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a model train has an engine and six boxcars. The engine is 12 cm long and each boxcar is 7 cm long. there is a 1 cm space between cars. how long is the train?
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Sep 9, 2017
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a model train has an engine and six boxcars. The engine is 12 cm long and each boxcar is 7 cm long. there is a 1 cm space between cars. how long is the train?
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Tocker
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7 spaces total
7 × 1cm = 7cm
6 box cars
6 × 7cm = 42cm
1 engine
1 × 12cm = 12cm
7cm + 42cm + 12 cm = 61cm
The train is 61cm long.
Nadeem Jamali
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Sep 13, 2017
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Nadeem Jamali
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