Question

a gardener wants to plant trees around a park measuring 100m by 120m. If the gardener wants to keep a distance of 3m between two trees, then how many saplings does the gardener need?

Answer 1

Answer:

178

To understand this, let's focus on one side to begin with.

If the straight road was 20 meters, you could have planted two trees.

If it was 40 meters, you could have planted three trees

If it was 'n' meters, you could have planted n/20 + 1 trees

Number of trees that can be planted on one side = 1760/20 + 1 = 88 + 1 = 89

Total trees = 89*2 = 178

Answer 2

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