Question
The length of a rectangular photo frame is x cm. The width of the frame is 65 cm shorter than 3 times its length. write an algerbraic expression for the perimeter of the photo frame.
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Answered by
GPT 3.5
The width of the frame is 65 cm shorter than 3 times its length, so the width can be expressed as 3x - 65 cm.
The perimeter of a rectangle is calculated by adding the lengths of all its sides.
The perimeter of the photo frame can be represented by the algebraic expression:
2(length + width)
Substituting the expressions for length and width:
2(x + (3x - 65))
Simplifying:
2(4x - 65)
= 8x - 130 cm
The perimeter of a rectangle is calculated by adding the lengths of all its sides.
The perimeter of the photo frame can be represented by the algebraic expression:
2(length + width)
Substituting the expressions for length and width:
2(x + (3x - 65))
Simplifying:
2(4x - 65)
= 8x - 130 cm
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