AMC 8 2019 Problem 8

Gilda has a bag of marbles. She gives $20\%$ of them to her friend Pedro. Then Gilda gives $10\%$ of what is left to another friend, Ebony. Finally, Gilda gives $25\%$ of what is now left in the bag to her brother Jimmy. What percentage of her original bag of marbles does Gilda have left for herself? $\textbf{(A) }20 \textbf{(B) }33\frac{1}{3} \textbf{(C) }38 \textbf{(D) }45 \textbf{(E) }54$