$72\times(1-\dfrac{4}{9})=32$ 
There are $72$ balloons in the shop. Pip bought $$\frac49$$ of them. The shop left~\uline{~~~~~~~~~~}~balloons. 
(A) $$20$$ 
(B) $$32$$ 
(C) $$40$$ 
(D) $$52$$ 
(E) $$60$$ 