Plum trees are planted along a new road at equal intervals, including both ends.The distance between every tow trees is 14m.What is the length of the new road if 8 trees are planted in all?

1 answer

To determine the length of the new road with 8 trees planted at equal intervals of 14 meters, we need to consider the arrangement of the trees.

When planting trees at equal intervals:

  • The first tree is at the starting point (position 0).
  • The second tree is 14 meters from the first tree.
  • The third tree is 14 meters from the second tree, and so on.

If there are \( n \) trees planted, the distance between the first and the last tree can be calculated using the formula for the spacing:

\[ \text{Length of the road} = \text{Distance between trees} \times (\text{Number of trees} - 1) \]

Given:

  • Distance between trees = 14 meters
  • Number of trees = 8

We can substitute these values into the equation:

\[ \text{Length of the road} = 14 , \text{m} \times (8 - 1) = 14 , \text{m} \times 7 = 98 , \text{m} \]

Thus, the length of the new road is 98 meters.