Math, asked by SummerStorm, 4 months ago

The mean length of 7 planks of wood is added, the mean length of a plank of wood increased to 1.4m. What is the length of the extra plank of wood that was added?

Answers

Answered by 2008anirudh

0

Answer:

1.75 is the answer

Step-by-step explanation:

becase the mean lenght of planks is 7 is added and the

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