Question

Ingrid dug a trench eighteen twentieths of a meter long. The next day she dug nine twentieths of a meter more of the trench. What is a reasonable estimate of the total length of the trench? one half meter 1 meter one and one half meters 2 meters

Answer 1

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Trench warfare ‘works’* by offering soldiers a contiguous shelter from the storm of rifle, machine gun and artillery fires.The trench coat is, in some ways, emblematic of the unique moment in history that World War I occupies, when everything – from rigidly held social structures to military.

Answer 2

Answer:

the other  answer is not valid

Explanation: the other person is wrong

btw the answer is 1 meter and yeah have a great winter?