John enlarged one side of his square flower bed by 8 ft to make it into a rectangle. The area of the new flower bed is 3 times the area of t

Question

John enlarged one side of his square flower bed by 8 ft to make it into a rectangle. The area of the new flower bed is 3 times the area of the old one. What was the length of the side of the old flower bed.

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Dulcie 4 years 2021-08-26T16:56:58+00:00 2 Answers 155 views 0

Answers ( )

  1. Bo
    1
    2021-08-26T16:58:20+00:00
    Reply

    Answer:

    4 ft.

    Step-by-step explanation:

    We can consider the orignial square’s sides to be x, so area of the original figure: x^{2}

    The new rectangle’s sides will be x and x+8, so the area of the new figure will be x^2+8x.

    We know that the new area is 3 times the old one. So our equation will be:

    x^2+8x=3x^2

    our answer will be x=4.

    Therfore, the length of the side of the old flower bed is 4 ft.

  2. Thunguyet
    1
    2021-08-26T16:58:51+00:00
    Reply

    Answer:

    4 ft

    Step-by-step explanation:

    We can consider the orignial square’s sides to be x, so the area of the original figure:

    The new flower bedś sides will be x and x+8, so the area of the new figure will be x^2+8x.

    A= L*W

    We know that the new area is 3 times the old one. So the equation will be:

    x^2+8x=3x^2

    our answer will be x=4.

    Therefore, the length of the side of the old flower bed is 4 ft.

    It would make my day if this gets marked as brainliest

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