How to find the lenght and width of rectangle. The ratio is 2:5 and the perimeter is 140 cm

I just need help figuring the answer out. Thank you.
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1 Answer

rektangel

rim leng=140, so leng+wide=70

that raesheeo thang impli tu me that leng=2.5*wide

2.5*wide +wide=70

3.5*wide=70

wide=70/3.5=20

leng=50
by

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