Answer:
Width=27inches
Step-by-step explanation:
Width=w
Length=28 inches
Perimeter=110 inches
Perimeter of a rectangle=2(length+width)
110=2(28+w)
110=56+2
110-56=2w
54=2w
Divide both sides by 2
54/2=2w/2
27=w
Therefore,
C
Multiples of 4: 4,8,16,20,24,28,32,36,40,44,48,52,56,60
Multiples of 15: 15,30,45,60
Th smallest number that they both can multiply to is 60