Respuesta :

jmay433

Answer:

9

Step-by-step explanation:

set triangles as x and squares as y

x+3y=4x+y, now plug in 6 for each triangle

6+3y=4(6)+y, solve for the weight of the squares

3y-y=24-6

2y=18

y=9, each sqaure weighs 9 units

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