 
 <translate> Brianne saves $10 x 2 = $20 in February. She will save $20 x 2 = $40 in March. She will save $40 x 2 = $80 in April. Therefore, she will save $80 x 2 = $160 in May.
Thus, the answer is 160. <ibo> Brianne na-echekwa $10 x 2 = $20 na February. Ọ ga-echekwa $20 x 2 = $40 na March. Ọ ga-echekwa $40 x 2 = $80 n'ọnwa Eprel. N'ihi ya, ọ ga-echekwa $80 x 2 = $160 na May. N'ihi ya, azịza ya bụ 160. 