The length of a rectangle is 3 times the width. The perimeter is 120 meters. Find the length and width.

Question

The length of a rectangle is 3 times the width. The perimeter is
120 meters. Find the length and width.

in progress 0
Linh Đan 5 months 2021-09-05T03:47:35+00:00 2 Answers 8 views 0

Answers ( )

    0
    2021-09-05T03:49:13+00:00

    Let L = length, W = width and P =Perimeter

    L = 3W

    and

    P + 2(L + W) = 120

    L + W = 60

    Substitute

    3W + W = 60

    4W=60

    W=60/4

    W=15

    L+W=60

    L+15=60

    L=60-15

    L=45

    0
    2021-09-05T03:49:21+00:00

    Answer:

    is it from a text book

    Step-by-step explanation:

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )