# Elementary Math for Educator

posted by
**Sabrina**
.

Suppose C is a subset of D and D is a Subset of C.

If n(c)=5,find n(D)

what other relationship exists between C and D

posted by
**Sabrina**
.

Suppose C is a subset of D and D is a Subset of C.

If n(c)=5,find n(D)

what other relationship exists between C and D