The formula for perimeter is p = 2 l + 2 w. If the perimeter p of a rectangle is 200 mm (millimeters) and the width w = 30 mm, what is l?
A. 60mm
B. 140mm
C. 70mm
D. 100mm
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Home » Mathematics » The formula for perimeter is p = 2 l + 2 w. If the perimeter p of a rectangle is 200 mm (millimeters) and the width w = 30 mm, what is l? A. 60mm B. 140mm C. 70mm D. 100mm