Question

The length of a field is three times its width. If the perimeter is 64 m, what is the width of the field? . . A.8 m . B.16 m . C.21 m . D.32 m

Answer 1

8×3=24   16×3=48
8+8+24+24=64
so the width of the field will be
8
so correct option is A 
hope it helps