Name: SAT Math Help & School Math Mastery
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#32476

polygons

perimeter

geometry

easy

45 sec

A total of 3 squares each have side length $s$ . A total of 4 equilateral triangles each have side length $t$ . The sum of the perimeters of all these squares and triangles is 100. Which equation represents this situation?

A.

$12 s + 12 t = 100$

B.

$3 s + 4 t = 100$

C.

$4 s + 3 t = 100$

D.

$7 (s + t) = 100$