the hedge boundary needs to be planted around a rectangular lawn 18 m long and 12 m wide. if 3 shrubs can be planted to grow a metre hedge, how many shrubs will be needed in all?

Question

Jimena Carson

Mathematics

9 February, 01:44

the hedge boundary needs to be planted around a rectangular lawn 18 m long and 12 m wide. if 3 shrubs can be planted to grow a metre hedge, how many shrubs will be needed in all?

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Answers (1)

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Layton Beard · Answer 1

180

Step-by-step explanation:

let P represent the perimeter of the rectangle

P = 2 * (12 + 18) = 2 * (30) = 60 m

then

the number of shrubs = 3 * (60) = 180