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Sagot :
Answer:
So our unknown width is X and the unknown length is X + 3. We know the perimeter is 2 times the length plus 2 times the width so let's set up that equation:
2 X + 2 (X+3) = 24
Now solve for X
2 X + 2 X + 6 = 24
4 X + 6 = 24
4 X = 18
X = 4.5 - this is the width
X + 3 = 4.5 + 3 = 7.5 - this is the length
Step-by-step explanation:
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