Answer:
Area of the rectangle =
Step-by-step explanation:
Perimeter of the rectangle= 128 cm
Ratio of length to width is:

Area of the rectangle= Length*Width

Area of the rectangle =
Answer:
8 grams
Step-by-step explanation:
The balance is in equilibrium, so the weights of the two sides are equal.
Let the weight of a square be s.
Left side: 2s + 4
Right side: s + 3(4) = s + 12
The weights are equal, so we set the two expressions equal.
2s + 4 = s + 12
s = 8
Answer: The weight of a square is 8 grams.
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