In order to plant 4 plants per meter, how many plants should you buy to edge your garden along the green path in the given figure?
A
25
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B
35
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C
36
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D
30
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Solution
The correct option is D
30
You can plant 4 plants in a meter. The perimeter of the garden = 1.25 m + 3 m + .75 m + 2.5 m = 7.5 m 1 m has 4 plants, 7.5 m will have 7.5 × 4 = 30 plants