The perimeter of a rectangular fence is to be at least 144 feet and no more than 216 feet. If the length of the fence is to be three times t

Question

The perimeter of a rectangular fence is to be at least 144 feet and no more than 216 feet. If the length of the fence is to be three times the width, what is the range of values for the width of the fence?

__ ft ≤ width ≤ __ ft

in progress 0
Thái Dương 6 months 2021-07-23T14:24:44+00:00 1 Answers 0 views 0

Answers ( )

  1. thienthanh
    0
    2021-07-23T14:26:11+00:00
    Reply

    Answer:

    let width be x

    then length= 3x

    in first case

    2(x+3x)= 144

    8x=144

    x=18

    again

    2(x+3x)= 216

    8x= 216

    x=27

    the range for width is

    18≤ width ≤27

    Step-by-step explanation:

Leave an answer

Browse

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