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The park james's house used to have a bike trail that was 12.347 kilometers long. Last year, the trail was reduced to 9.432 kilometers to make space for meditation garden. What is the difference in the lengths of the old and new bike trails?

A.) 2.547 kilometers

B.) 2.746 kilometers

C.) 2.874 kilometers

D.) 2.915 kilometers

Verified Answer :

keikei101

12.347
- 9.432
------------
2.915

The answer is:
D. 2.915 kilometers

Answer: The correct option is (D). 2.915 kilometers.

Step-by-step explanation:  Given that the Park Jame's house used to have a bike trail that was 12.347 kilometers long. The trail was reduced to 9.432 kilometers last year to make space for meditation garden.

We are to find the difference in the lengths of the old and new bike trails.

The difference in the lengths of the old and new bike trails is given by

\(D_l=\textup{length of the old bike trail}-\textup{length of the new bike trail}\\\\\Rightarrow D_t=12.347-9.432\\\\\Rightarrow D_t=2.915~\textup{kilometers}.\)

Thus, (D) is the correct option.

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