Jodi has a collection of 153 shells. She gives 39 shells to her sister Sherri. Then their mother gives each sister 28 shells.

Part A
How many shells does Sherri have now?

A.28

B.67

C.142

D.181

Part B
How many shells does Jodi have now?

A.28

B.67

C.142

D.181

Part A: Sherri now has 67 shells (39 + 28).

Part B: Jodi now has 124 shells (153 - 39 + 28).