The length of a rectangle is 3 times its width. If the perimeter of the rectangle is 48 inches, how do you find the length?

##L=18## inches

Perimeter ##P=48##
##L=3w##
##P=2*L+2*w##
##48=2(3w)+2w##
##48=6w+2w##
##48=8w##
##w=48/8##
##w=6##
solve now length ##L##
##L=3w=3*6=18##
##L=18##
have a nice day from the Philippines!

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