Question

The number of plants used to fill a row of the given length in a garden varies inversely as the distance between the
plants. If 75 plants are used to fill the row when planted 20 cm apart, then the number of plants used to fill the row
when planted 15 cm apart will be​

Answer 1

Answer:

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Answer 2

Answer:

100

Step-by-step explanation:

No. of plants ∝ 1/distance between them

=> No. of plants = k/distance between them

So, 75 = k/20

k = 1500

Now let no. of plants required when spaced at 15 cms = x

So, x = k/x = 1500/15

So, x = 100