Iko's rectangular vegetable garden is $$\(2 x \mathrm{~m}\)$$ wide and $$\(3 x \mathrm{~m}\)$$ long. She wants to plant flowers to form a border of uniform width around the vegetable garden, and measures that the border will cover $$\(14 x^{2} m^{2}\)$$. How wide is the border of flowers going to be?

A.
\(0.5 x \mathrm{~m}\)
B.
\(x \mathrm{~m}\)
C.
\(1.5 x \mathrm{~m}\)
D.
\(2 x \mathrm{~m}\)
Mathematics
Competition
Math League
Exam No:2020 First Round Grades 10-12 Year:2020 Question No:9

Answer:

B

Knowledge points:

G10-12 - Geometry - Area Reasoning (Algebraic Modeling)

Solution:

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