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30 May, 21:47

A new outdoor rec center is being built in Madison. The perimeter of the rectangular playing field is 446 yards. the length of the field is 5 yards less than triple the width. Whatre the dimensions of the playing field?

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  1. 30 May, 22:02
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    Formula for perimeter of triangle: P=2width+2length

    width=x

    length=y

    446=2x+2y

    y+5=3x | subtract 5

    y=3x-5

    446=2x+2 (3x-5)

    446=2x+6x-10

    446=8x-10 | add 10

    456=8x | divide / by / 8

    x=57

    y=3x-5=3*57-5=166

    Length=166 yards

    width=57 yards
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