Name: SAT Math Help & School Math Mastery
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#10920

polygons

geometry

perimeter

medium

75 sec

A total of 3 squares each have side length $x$ . A total of 4 equilateral triangles each have side length $y$ . None of these squares and triangles shares a side. The sum of the perimeters of all these squares and triangles is 150. Which equation represents this situation?

A.

$3 x + 4 y = 150$

B.

$12 x + 12 y = 150$

C.

$4 x + 3 y = 150$

D.

$7 (x + y) = 150$