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the length of a rectangular jewlery box is 6 inches more than twice the width. the perimeter is 36 inches. find the length and width?

  • algebra -

    Perimeeter=2W+2L=2*(W+L)=2*(W+2W+6) =2*(3W+6)=6W+12
    Perimeter is 36 inches
    6W+12=36 , 6w=36-12=24 Divided with 6
    W=(24/6)=4 W=4
    L=2W+6=2*4+6=8+6=14 L=14

    Perimeter 2*(L+W)=2*(4+14)= 2*18= 36in

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